seadoo 787 big bore kit

I need to get my 787 engine bored due to wall scoring. A++ seller, Polaris Gates Gt3 High-Performance Water Pump Belt 2000-2004 600 700 800 (#322269157719). Building a BB 787 is an expensive project though, and not one for guys looking to cut corners, but there are some used setups around for a reasonable amount of money. Wossner pistons are a German made pistons realized by revolutionary computerized manufacturing technique coming from GP and F1 racing. Unfortunately, along with the big cfm numbers comes low inlet tract air . Includes 2 pistons WSM Platinum (molly coated), rings, pins, bearings, circlips, head gasket, base gasket, and exhaust gaskets and sleeves. Your cylinders (2) are resleeved, then bored to standard bore.. Item specifics. This page was generated at 07:10 PM. Engines & Crankshafts. That thing wouldn't even run with those numbers. The kit is returned to you with everything needed for your top end rebuild. Who is doing the machining for you? If I were you, I'd use the Pro-X pistons instead of Wiseco. Please choose your vehicles details for specific results. After we receive your cylinders we will inspect them and determine what oversize pistons it will take to make the cylinders straight (usually 1st or 2nd over) then bore your cylinders on a boring bar, final sized with a rigid hone. The ports are chamfered in a 3 stage process to ease the rings back in, including a final hone to extend engine life, and improves performance. Yes Rave mod for clearance $25 Per set. SBT carries those and other PWC engine parts. $75 return shipping to the 48 continental states. 1999-2000 GSX RFI Seadoo Wrist Lanyards (Non-DESS) . Find many great new & used options and get the best deals for Sea-Doo 650 Platino WSM Top Taglio Kit 1994-1995 GTX Spx XP Xpi 78mm Std Bore at the best online prices at eBay! RAVE Valve for Sea-Doo GTX RFI /GSX RFI /GTI LE RFI /3D RFI 420854354 1998-2005, RAVE Valve Rebuild Kit for Sea-Doo XP800 /Challenger /GSX /GTX /XP /Challenger 1800 /SPX 1995-1999, Monday-Thursday 8am-4pm EST Friday 8am-11am 1401 N. Myrtle Ave. Clearwater, FL 33755 USA, Copyright 2023 Short Block Technologies, Inc. All Rights Reserved. 1996-1998 GSX Rebuildable core cylinders required for exchange. I don't want to start a debate but was wondering if the wiseco are a goood way to go? Motor) Complete Top End Engine Rebuild Kit [Bore Size: 82.00 mm] $253.89 FREE Shipping Permatex 81950 Ultra Slick Engine Assembly Lube, 4 oz. In Stock. Las mejores ofertas para Cilindro Sea-Doo 580 587 XP SPX SPX GT GTS GTX dimetro STD estn en eBay Compara precios y caractersticas de productos nuevos y usados Muchos artculos con envo gratis! See Description For Exact Model and Year Compatibility. They are way more durable for recreational use. I've got tons of info from building dozens of BB 787's. Website by, Engine for Sea-Doo 787 /800 XP800 /XP /GSX /GTX /SPX /Challenger /Challenger 1800 1995-1999, New SBT Motors, Shortblocks, Casings & Crankshafts. Rave Cap Kit for Sea-Doo 787/787 RFI XP800 /Challenger/GSX/RFI /GTX/RFI /XP /SPX 1995-2004. TOP END REBUILD KIT STD SEADOO 787 / 800 GSX SPX XP GTX WSM PLATINUM 010-818-10P | Vehicle Parts & Accessories, Boats Parts & Accessories, Other Boat & Watercraft Parts | eBay! I just want something that will hold up and thought the forged were better but now I am not sure. I am going with the wiseco pistons which should be comparable to pro-x, I think!!! SBT is the preferred choice for PWC and jet ski engines. . Please note old pistons and spark plug will be disposed and not returned. This is our 787 (Build your own) premium engine (2 year-No Fault Warranty). SBT Cylinder Exchange Top End Kit for Sea-Doo 787/800 XP/ GSX/ GTX/ SPX/ Challenger/1800; SBT Cylinder Exchange Top End Kit for Sea-Doo 787/800 XP/ GSX/ GTX/ SPX/ Challenger/1800 . Ok, so some of you guys have commented about my pressure testing kit. or best offer. If you have damages deeper then this you will need the cylinder sleeve replaced and bored to finish size. A straight forward performance engine rebuild that keeps rock solid reliability, runs on pump (premium 91-93 octane) gas and no difficult carb mods. If this is your first visit, be sure to Is there anything bigger? Small Business . . Pro-X or even WSM platinum. Pick from Pro-x, Wiseco or OEM pistons. All Material Copyright 2009 Watercraft Superstore. #1. To confirm that this part fits your vehicle, please choose a vehicle from the "My Garage" list OR enter your vehicles details below. I am hoping not to re-sleeve but may need to go to 82.50 for my bore. If your sleeve(s) is damaged or your current bore is beyond the max service limit - don't worry, we resleeve at no-charge. Square Bore: Additional Details . $15.95 $ 15. 1 Complete set of gaskets to install top end including exhaust and carb gaskets, Fuel Delivery & Carburetion Quick Reference, Wrist Lanyards Kawasaki, Polaris, Tigershark, Deluxe Wrist Lanyard w/Whistle (DESS Compatible, Deluxe Wrist Lanyards w/Whistles (Non-DESS), Multi-End Lanyards with Compatible DESS End, Standard Floating Multi-End Lanyards (Non-DESS), Floating Wrist Seadoo DESS Compatible Lanyard, Floating Yamaha Pro-Wrist Lanyards with Whistle, Kawasaki, Polaris Pro-Wrist Lanyards w/Whistles, Seadoo Compatible DESS Lanyard w/Whistles, Seadoo Pro-Wrist Lanyards with Whistles(Non DES, Floating Kawasaki, Polaris, Tigershark, Wetjet, Floating Seadoo Standard Lanyards (Non-Dess), Standard Seadoo DESS Compatible Floating Lanyar, 1200 TWIN LS2000, LX2000, LX210 270 '99-'05, Replacement Parts For Fulton Swivel Jacks. 787/800 $475. Portions of the information contained in this table have been provided by ut_crankshaft_shortblock. All times are GMT-5. Sea Doo 787, 800 top end rebuild kit with Wossner forged pistons. For the crankshaft connectig rods: Pick from Hotrod, Wiseco or Add to cart complete payment and print a copy of the receipt and put in box with engine. Shipping instructions are covered on our shipping page.. They should be able to shave the rave for you. seadoo 717 718 720 xp spx gts gti hx gs gsi sp motor engine no core std bore #5. I did read to warm up my seadoo before opening it right up with the forged pistons. | any option $1200.00 Free shipping included. We decided to offer this option to After we receive your cylinders we will inspect them and determine what oversize pistons it will take to make the cylinders straight then bore your cylinders on a boring bar, final sized with a rigid hone. The ports are chamfered in a 3 stage process to ease the rings back in, including a final hone to extend engine life, and improves performance. . All cylinder work is done here at Full Bore. Be sure to scroll down to see all of the options. I use it before to check for any internal leaks that could pop up from say a bad winterizing job and cracked a . Any option $1295.00 Free shipping included. Alpena, MI 49707, All text and images are copyright Full Bore All rights reserved. Signature series performance 820cc engine rebuild. 4th oversize is 1mm (0.040") larger then standard bore. Full Bore top end rebuild kits include everything needed for your top end rebuild. First find what you are looking for and make the payment right here on the website. Yamaha Motorcycle Big Bore & Top End Kits, Body Kits for Plymouth GTX, Body Kits for Dodge Challenger, Sunroofs, Hard Tops & Soft . These parts are more difficult to get so if they're not in stock it will add time to the turn around. After making payment with buy it now button, If paying with a cashier check (certified bank check) please contact us at. Add to Cart. 2004-2005 GTI RFI Extremely fast shipping. Thats why all of the details aren't giving just enough. sorry to revive an old thread but how do you work the rave valve when you go oversize? This is our 787 (Build your own) premium engine (2 year-No Fault Warranty). No more trips home from the machine shop without your cylinders because the pistons weren't big enough to clean it up. Let alone the fact you have to send those pistons back and order another set. We keep it simple and offer solutions for your top end rebuild and get you back on the water. Find many great new & used options and get the best deals for Sea-Doo XP 800 787 Top End Rebuild Kit Pistons Gasket Set Bearings Std Bore 82mm at the best online prices at eBay! Thanks for the info, i will definetly have the raves done and will try the jet adjustments. SBT is the top source for Sea-Doo 2-stroke jet ski engine cylinder exchange. About . Please order the correct over size piston kit. 486 S Ripley Blvd Motor) Complete Top End Engine Rebuild Kit [Bore Size: 83.00 mm] : Automotive Delivery times may vary, especially during peak periods. Full Bore Hose Clamp, 20 Pack Stainless Steel Adjustable 6-12mm Size Range Worm Gear Hose Clamp, Fuel Line Clamp for Plumbing, Automotive . well, I ended up getting the wiseco pistons. Something went wrong. Bore Size: 82mm STD bore. I noticed in the seadoo manual the maximum bore i can go is 82.25, although I can get aftermarket pistons all the way to 1.25 over stock(82.00). email Chris at Watercraft Magic cdofixr1@live.com 06-04-2007, 10:41 PM #3 Everything you need to rebuild your Seadoo top end.. 96 seadoo xp complete electrical box w/ key, cdi ecu, rectifier, relay, coil #1 . Compatibility information is not available for this item. Shipping address (shipping only) For the crankshaft connectig rods: Pick from Hotrod, Wiseco or OEM. View cart for details. Crankshaft for Sea-Doo 787 /800 XP800 /GSX /GTX /XP /Challenger /1800 421000076 1995-1999, Crankshaft End Seal Kit for Sea-Doo 787 / 787 RFI /800 / 800 RFI XP800 /Challenger /GSX /GTX /XP, SP /GT /SPI /XP /SPX /GTS /GTX /HX /GTI /GSI /GS /XP800 /GSX /Challenger, Wrist Pin Bearing for Sea-Doo 787 /800 /RFI XP800 /Challenger /GSX /GTX /XP /Challenger 1800 /SPX, SBT Replacement Mikuni SBN Carb Rebuild Kit Fits Sea-Doo /Kaw SXI Pro /Polaris /Yamaha /Tigershark, Mikuni SBN Replacement Needle & Seat Fits Sea-Doo /Polaris /Yamaha /Tigershark /Kawasaki, Oil Pump Block-off Kit for Sea-Doo 787 /951 Tigershark 640 /770, Shim Pack for Sea-Doo Challenger /GSX /GTX /XP /Challenger 1800 /SPX /GTX RFI /GSX RFI, Motor Mount for Sea-Doo XP /XP800 /GSX /GTX /SPX /Challenger /1800 /XP LTD / VSP Front Mount, Rear Motor Mount for Sea-DooXP800 /XP /GSX /GTX /SPX /Challenger /Challenger 1800 /GSX-L /XP LTD, Starter for Sea-Doo XP 800 /Challenger/1800 /GSX /GTX /XP /SPX 278001301 1995-1999, Installation Gasket Kit for Sea-Doo 787 XP800 /GSX /GTX /XP /Challenger 1800 /Challenger /SPX 1995+, Brass Rotary Gear for Sea-Doo 3D RFI/ GS/ GSI/ GSX/ GT/ GTI/ GTS/ GTX/ HX/ SP/ SPI/ SPX/ XP/ XPI, Rotary Shaft Assembly for Sea-Doo XP800 /Challenger /GSX /GTX /XP /Challenger 1800 /SPX /GSX RFI, Cylinder Sleeve fits Sea-Doo XP800 /Challenger /GSX /GTX /XP /Challenger 1800 /SPX 1995-1999, Driveshaft Bumper SP /GT /XP /GTS /GTX /Explorer /SPI /SPX /Speedster /XPI /Sportster /HX, RAVE Valve Rebuild Kit for Sea-Doo XP800 /Challenger /GSX /GTX /XP /Challenger 1800 /SPX 1995-1999, 159 Degree Rotary Valve for Sea-Doo GS/ GSI/ GSX RFI/ GTI/ GTI LE/ GTI RFI/ GTS/ GTX/ HX/ SPX, RAVE Valve Housing for Sea-Doo XP800 /Challenger /GSX /GTX /XP /Challenger 1800 /SPX 0854362 1995-99, Rave Cap Kit for Sea-Doo 787/787 RFI XP800 /Challenger/GSX/RFI /GTX/RFI /XP /SPX 1995-2004, Piston/Ring Kit for Sea-Doo - 787 /787RFI /800 /800RFI XP 800 /Challenger /GSX /GTX /XP /GSX RFI, Complete Gasket Kit for Sea-Doo 787 /800 XP 800 /Challenger /GSX /GTX /XP /Challenger 1800 /SPX /XP, Ring Set for Sea-Doo - 787 /787RFI /800 /800RFI XP800 /Challenger /GSX /GTX /XP /Challenger 1800, SBT Top End Kit for Sea-Doo 787 XP800 /XP /GSX /GTX /SPX /Challenger /Challenger 1800, Driveline Rebuild Kit for Sea-Doo HX /Challenger /GTI /GTS /GTX /HX/Speedster /SPI /Sportster/SPX, Driveline Rebuild Kit for Sea-Doo GS /XP /GSX /GTI /GTS /GTX LTD /GTX RFI /Speedster /Speedster 1800, Exhaust Gasket Kit for Sea-Doo 787 /800 XP800 /GSX /GTX /XP /Challenger/ 1800, Intake Gasket Kit for Sea-Doo GSX/ GTX/ SPX/ XP/ Challenger/ Speedster, Head O'Ring Kit for Sea-Doo 787 /RFI 800 /800 RFI XP800 /Challenger /GSX /GTX /XP /Challenger, SBT Cylinder Exchange Top End Kit for Sea-Doo 787/800 XP/ GSX/ GTX/ SPX/ Challenger/1800, Driveline Rebuild Kit for Sea-Doo HX /XP /XP LTD /XP DI /3D RFI /3D DI1995-2006, Jet Pump Rebuild Kit for Sea-Doo SP /GT /XP /GTS /GTX /SPI /Explorer /Speedster /SPX /XPI /HX, Jet Pump Rebuild Kit for Sea-Doo GTX LTD /XP LTD 1998, Impeller Shaft for Challenger /Explorer /GSX /GTI /GTS /GTX /HX /SP /Speedster /SPI /Sportster, Driveshaft for Sea-Doo GTI GTS SP Speedster SPI SPX Challenger Sportster 1800, Driveshaft for Sea-Doo GSX /XP /GS /GSI /SPX /GSX RFI /GTI /GTI LE /GTI LE RFI /GTI RFI STD, Driveshaft for Sea-Doo XP 800 Driveshaft 272000021 1995, Driveshaft for Sea-Doo 1996 GTX Driveshaft 272000077, Wear Ring for Sea-Doo SP /GT /XP /GTS /GTX /Explorer /SPI /SPX /Speedster /HX /GSX /GTI (139.5), Degree Wheel for Sea-Doo SP /GT /XP /GTS /GTX /SPI /SPX /XP /Explorer /Challenger /GSX /GTI /GS /GSI, Flywheel Puller XP /GSX /GTX /XP /Challenger /SPX /Sport LE /RX /LRV /RX /3D RFI /GTI, RAVE Bellow Retention Spring for Sea-Doo XP /Challenger /GSX /GTX /GTX /SPX /VSP /LRV /RX/290239043, PWC Battery Sealed 16 Amp-Hr.Rating GT /SP /XP /GTS /GTX /Explorer /SPI /SPX /Speedster /Sportster, Engine Alignment Tool GT /SP /XP /GTS /GTX /Explorer /SPI /SPX /XPI /HX /Speedster, Engine for Sea-Doo 787 /800 XP800 /XP /GSX /GTX /SPX /Challenger /Challenger 1800 1995-99, Monday-Thursday 8am-4pm EST Friday 8am-11am 1401 N. Myrtle Ave. Clearwater, FL 33755 USA, Copyright 2023 Short Block Technologies, Inc. All Rights Reserved. Please consider our other options like rebuild kits and top end rebuild kits. Yamaha Motorcycle Big Bore & Top End Kits, Sea-Doo Vehicle Repair Manuals & Literature, Engine Rebuilding Kits for Ford F-150; Additional site navigation. SeaDoo Complete Rave Power Valve Rebuild Kit XP GSX GTX SPX Challenger 787 800. Wiseco, or OEM. I don't really know, but I just wanna get my seadoo running again without breaking the bank.lol, I know here in OZ we call them siezco pistons. Order Std size pistons if you are only honing your cylinders. To confirm that this part fits your vehicle, please choose a vehicle from the "My Garage" list OR enter your vehicles details below. Are you talking about normal use? For the crankshaft connectig rods: Pick from Hotrod, Wiseco or OEM. Said mediation shall be conducted by a certified mediator under the laws of the state of Florida, and each party shall be responsible for paying an equal share of all mediation costs. Please note that we schedule our workload by payments received and or deposits. Shipping us something overnight doesn't mean we can do it immediately. If you are in that big of a hurry, be sure to find out our current turn around time before ordering., Shipping address (shipping only) c $932.78. I need to get my 787 engine bored due to wall scoring. Your numbers are just wacked out. Of course it goes without saying that the crankshaft is rebuilt to our Platinum specs and fitted with Teflon coated seals and rods with 4 oil feeders (vents) per rod. After the crankshaft is reassembled and is trued to perfection and verified on a truing stand then final verification for fit and true running in your engine cases where it is supported on all of the bearing surfaces and verified for true in its real running conditions. Your engine rebuilt as if it was Dan's personal engine. Wrist Pin Bearing for Sea-Doo 787 /800 /RFI XP800 /Challenger /GSX /GTX /XP /Challenger 1800 /SPX. What city do you live in? Sea-doo; Yamaha; Lanyards. seadoo . 1996-1997 XP Floating Wrist Lanyards. We also offer top end rebuild kits with cylinder already machined ready to install on a core exchange basis. This listing is for part or sub-assembly number given below only. So I started reading about pistons, and now I am confused on which ones to get, cast or forged. Part #: 290854352. 1996-1997 GTX Add to Cart. 486 S Ripley Blvd This kit will fit all Seadoo 787/800cc Silver & white engines. First find what you are looking for and make the payment right here on the website. Sold by: Sea Doo standard bore cylinder measurements. Pro x kits can go as far as 1.5mm (0.060") oversize. In canada these kits are way over priced I saved hundreds of dollars and no surprise charges on delivery with global shipping, Verified purchase: Condition: Condition: 1997-1999 SPX If you have more damage to the bore and the cylinder will not clean up at STD. See more WSM - 010-818-10 - Top End Kit, Standard Bore - eBay Money Back Guarantee - opens in a new window or tab, SEADOO 800 787 82MM STD BORE WSM TOP END KIT 1991-2002 XP SPX GTX CARB, - for PayPal Credit, opens in a new window or tab, Report this item - opens in new window or tab. No more trips home from the machine shop without your cylinders because the pistons weren't big enough to clean it up. Let alone the fact you have to send those pistons back and order another set. We keep it simple and offer solutions for your top end rebuild and get you back on the water. Copyright 1995-2023 eBay Inc. All Rights Reserved. Value of this if rebuilt?? new Your rave valves are trimmed for clearance. Seadoo 787/800 Top End Rebuild Kit. Notes - Delivery *Estimated delivery dates include seller's handling time, origin ZIP Code, destination ZIP Code and time of acceptance and will depend on shipping service selected and receipt of cleared payment. Find many great new & used options and get the best deals for Top End Gasket kit For sea doo 785 787 800 gsx gtx xp spx Challenger 1996-1999 at the best online prices at eBay! We start with the Sea doo 787,800 (stock form is 782cc) and take it to a 820ccs. There is no substitute for ccs. Seadoo 717 Replacement Sleeve. ewsmotorsports, this a great product although it was missing 2 gaskets they were not critical and we still got the motor together and runs perfectly, Verified purchase: Wiseco pistons are forged and use Wiseco high performance rings. I also heard that there was something called a VE cylinder which was an aftermarket casting. | Pick from Pro-x, Wiseco or OEM pistons. Made By: Jet Ski Plus. I see Wiseco sells a +2mm piston. Visit the Program Description for further details. Full Bore top end kits are returned to you with everything needed for your top end rebuild, including Your cylinders bored to the next available piston size. pistons, rings, pins, bearings, circlips, head gasket, base gasket, exhaust gaskets and any other gaskets that come in a top end gasket set for your model. Refresh your browser window to try again. I got a really good deal on a top end kit, $180. Sea-Doo XP 800 787 Pistons Top End Gasket Kit 82mm Std Stock Bore 1995 1996 1997 | eBay Motors, Parts & Accessories, Personal Watercraft Parts | eBay! . Tomorrow it's off to the machine shop. $35 shipping to the 48 continental states. If you send your old piston and spark plug, we can usually tell you what caused the failure so you can keep this from happening again. Please note old pistons and spark plug will be disposed and not returned. SBT warrants its standard remanufactured engines for a period of one (1) year from the date of the original purchase against any failure that would require replacement.In the event that an engine with a two (2) year warranty is purchased, all the same guidelines apply with the exception of the term. Be sure to include clear instructions of work requested, return address, and billing info, phone # and email address.If you have a pay pal receipt, please put a copy in with the cylinders or engine. Pistons Rings Gaskets Circlips Upper bearings Wrist Pins Your cylinders bored to fit. Has anyone gone over the maximum specified bore limits with any success?? From what I've seen on here, when Chester speaks, LISTEN! Pick from Pro-x, Wiseco or OEM pistons. If said claims are not settled through mediation, all legal actions or lawsuits shall be brought exclusively in Pinellas County, Florida and the prevailing party shall be entitled to attorneys' fees and costs.The terms of this agreement shall be enforceable by any court of competent jurisdiction.Venue for the enforcement of this agreement or for the resolution of any dispute between Buyer and SBT shall be adjudicated in Pinellas County, Florida, and venue for all suits shall be fixed in Pinellas County, Florida. Sorry, thought I'd throw that out there even though his part was a few years back. Received the pro x pistons today. If paying with a cashier check (certified bank check) please contact us at info@fullboreonline.com to let us know it is coming so we can keep it in mind for scheduling. Please note that we schedule our workload by payments received and or deposits. Shipping us something overnight doesn't mean we can do it immediately. If you are in that big of a hurry, be sure to find out our current turn around time before ordering., Shipping address (shipping only) Well take a look and remove the review if it doesnt follow our guidelines. This is a Standard remanufactured SBT 787 engine that fits Sea-Doo. . If you have more damage to the bore and the cylinder will not clean up at STD. 787 piston to Cylinder wall clearance should be 0.10-0.012mm (0.004-0.005") new, wear limit is 0.15mm (0.006") I have my cylinders bored to 0.0045" wall clearance. PMB #228 WSM is a full cast and come with Rik Japanese high performance rings. . Please note old pistons and spark plug will be disposed and not returned. Don't forget to insure your shipment. If you keep your shipping receipt, you can check online to see when it is received on our end. Please send with signature required. When we ship your cylinders or engine back, you will receive an email with tracking info. Condition: New other (see details) Seller Notes: "Brand new WSM top end rebuild kit including pistons and gaskets for 1995-1999 Sea-Doo 800 GSX, GTX, SPX and XP models. oemcycles. $32 return shipping to the 48 continental states. It is $20 extra for them to shave the raves for you. Maybe so, but, if your talking about after your rebuild you must break the engine in properly, forged pistons or not, or it will fail again very soon. Forged piston for strength and Mos2 coating reduces friction and heat for added performance. ACCOUNT CONTACT MY CART. In the event that a Buyer asserts any claim against SBT, under the aforementioned warranties or otherwise, and if said claims are not resolved through negotiations between the parties, then all such claims and disputes shall be subject to non-binding mediation in Pinellas County, Florida, as a condition precedent to Buyer's asserting any legal action against SBT. | Item Condition: New. , Red $6.63 Get it as soon as Wednesday, Jun 29 FREE Shipping on orders over $25 shipped by Amazon Sold by: PMB #228 The ultimate top end rebuild kit for your seadoo Rotax 787/800! SBT New 4-Stroke Premium Engines. Motor) Complete Top End Engine Rebuild Kit [Bore Size: 83.00 mm]: Pistons - Amazon.com FREE DELIVERY possible on eligible purchases Amazon.com: 1996-1997 Seadoo GTX (800 Carb. The gasket kit included has all of the gaskets needed for a top end rebuild.. Counter Balance Shaft Bearing Kit for Sea-Doo 4-Tec GTX 4-TEC /Sportster 4 TEC . . Seadoo 787 Piston Kit (No reviews yet) Write a Review $91.95 Bore Size: Piston Type: Year: Model: Current Stock: Quantity: Description This piston kit will fit all Seadoo 787 White & Silver engines. After making payment with buy it now button. I can get the Pro-X pistons for you or even tell you where to buy them if you are in the lower mainland (same price either way). Wiseco pistons are forged and use Wiseco high performance rings only. Find many great new & used options and get the best deals for Sea-Doo 787/800 Engine Top End Kit w/Cylinders & Piston, Save $150 w/core Seadoo at the best online prices at eBay! This listing is for part or sub-assembly number given below only. Seadoo 787, 800, 785, 782cc performance motor (internal combustion engine) rebuild. This item: Sea Doo 580 587 650 657 720 717 787 800 Carb Carburetor Rebuild Kit 2 Stroke . Full Bore top end rebuild kits include everything needed for your top end rebuild. The hard part for the guy at home to do a "QUALITY" engine rebuild is getting a good crankshaft and cylinder boring that is even close to acceptable . We eliminate these problems with this kit.