Sea Doo Top End Kits
Take the guess work out of rebuilding your Sea doo top end.
Everything you need to rebuild your Seadoo top end.
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.
All work is guaranteed!!!
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. The kit is returned to you with everything needed for your top end rebuild
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.
All cylinder work is done here atFull Bore.
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.
Free return shipping on top end kit's purchased here on the website only!
For a limited time free return shipping on our top end kits to the 48 Continental States!!!
Full Bore top end rebuild kits include everything needed for your top end rebuild.
- Pistons
- Rings
- Gaskets
- Circlips
- Upper bearings
- Wrist Pins
- Your cylinders bored to fit.
The gasket kit included has all of the gaskets needed for a top end rebuild.
If your cylinders are already 0.040" (1mm) over, or need to go larger to clean up they would require resleeving. We offer resleeving if needed for any of our kits. Most of our top end kit's are available in Standard or Platinum. The Platinum pistons are molly coated to reduce friction and the standard kits are not.
Shop by clicking on engine size below.
Sea Doo 580, 587, 650, 657, 657x, 717, 720, 787, 800, 947, 951.
Most of our top end kit's are available in Standard or Platinum.
The Platinum pistons are molly coated to reduce friction and the standard kits are not.
Accepting credit cards through pay pal, right here on the web site. It's the safe and secure way to pay online.
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Sea Doo standard top end kits.
WSM top end rebuild kit and your cylinders bored to fit.
Your cylinders (2) are bored up to 0.040" (1mm) oversize. Includes 2 WSM pistons, rings, pins, bearings, circlips, head (o-rings) gasket, base gasket, and exhaust gaskets.
Sea Doo 580,587, 650, 657, 657X, 717, 720, 787,800 $285
947,951 $339.
For a limited time free return shipping on our top end kits to the 48 Continental States!!!
***note Platinum kits offered below.***
Sea Doo Platinum top end rebuild kits
Sea Doo 580, 650, 657, 657x 717, 720, 787, 800, 947 and 951.
Your cylinders (2) are bored up to 0.040" (1mm) oversize. Includes 2 pistons WSM Platinum (molly coated), rings, pins, bearings, circlips, head (o-rings) gasket, base gasket, and exhaust gaskets.
Sea Doo 580, 587, 650, 657, 657x 717, 720, 787, 800 $295
947/951$349
For a limited time free return shipping on our top end kits to the 48 Continental States!!!
Rave valve mod.
Sea Doo 787/800 and 947/951 require relieving the RAVE Valve if bored more then the first oversize as shown in our tech tips Page.
After boring the cylinders on a Sea Doo 787/800 947/951 or any other engine with a power valve, you must relieve the exhaust power (RAVE) valve for clearance or you will snag your rings and destroy your new top end. The old rule of standard bore and first over don't need the valves relieved doesn't always hold true. As things wear they tend to get closer and eventually they make contact even on std bore with high hours.
Send the valve only we do NOT want the plastic caps they tend to break in shipping.
Rave mod for clearance $20. Per set.
***Note*** Rave valve mod gives you clearance for the freshly bored top end but it is also a high wear part with a reputation for failing with or without the mod and need to be inspected regularly for wear.
Sea Doo
580, 650,720 or 800.
Wiseco or Pro X top end kits starting at $349.
Comes complete with new Wiseco or Pro X pistons, rings, pins, upper bearings all of the gaskets (WSM) needed for a top end rebuild. Your cylinders are custom bored to fit.
Call and verify availability for your size.
Sea Doo standard bore cylinder measurements.
4th oversize is 1mm (0.040") larger then standard bore.
Sea doo - 580 is 76mm, 650 is 78mm, 720 and 800 are 82mm and the 951 is 88mm.
If you already purchased a top end kit (from Full Bore) and your cylinder needs a new sleeve we will replace the sleeve part and labor for an additional $100 each, $150 for both on a twin cylinder and $200 on triple cylinders listed below.
Sea Doo 580, 587, 650, 657, 657x 717, 720, 787, 800, 947 or 951
Contrary to the common belief, you don't just press out a sleeve and press in a new one. Please don't wreck your cylinder trying. Besides installation they do need to be bored and sized after installation.
Shipping your cylinders.
When shipping cylinders, pad them tightly with crumpled newspaper or dense foam, be sure cylinder (s) are secure and don't move freely in the box causing damage.
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.
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.
Turnaround time
Turnaround time is running 7-10 days on our top end kits.
Placing an order is straight forward.
First find what you are looking for and make the payment right here on the website.
After making payment with buy it now button, ship your cylinders with a copy of receipt, contact phone #, return shipping address and any special requests.
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.
Contact us
Email us at info@fullboreonline.com
Phone 989-379-2402
9-5 Monday - Friday
Shipping address (shipping only)
Full Bore
486 S Ripley Blvd
PMB #228
Alpena, MI 49707