Spring time is in full swing here at ProCycle. With these busy days please be sure to let us know if your order is time sensitive. We try to do as much as we can to accommodate your upcoming trip.
Includes forged JE 89mm piston 10.5:1 piston, Rings, Clips, Pin, big bore sleeve and top end gasket set. You will have to have the big bore sleeve installed in your cylinder and bored to fit the larger piston.
High quality bore kit that shows substantial power gains throughout the RPM range. 63mm piston. 10.5:1 compression ratio allows use of premium pump gas. Complete kit includes: cylinder, piston, ring set, pin, clips and gaskets.
You will need to tune your EFI with something like the Power Commander V to get the most out of your Big Bore kit.
Wiseco 96mm/+1.00 mm piston with rings, wrist pin, circlips, head gasket, and base gasket.
Requires your cylinder to be bored to fit the larger piston.
All Wiseco Pistons are forged from high silicon, low expansion aluminum which offers superior strength, reduced weight, improved heat transfer, and longer life.
Diamond turned finish from one of the many CNC computer controlled turning centers guarantees you a perfect finish with no size variation. Wiseco pistons can be installed in any of today’s cylinder bore compositions
Wiseco’s state-of-the-art computerized manufacturing facility is dedicated to supplying both the high-perfomance racer and recreational enthusiast with the finest forged piston available in today’s market place.
An easy big bore kit that increases your KLX110cc motor to 130cc. Includes piston, rings, pin, clips, and gaskets. A quick and inexpensive way to really improve your engine.
The 790cc Big Bore Kit includes a custom made, forged 9.5:1 piston with rings, wrist pin and circlips. A custom made multi-layer steel head gasket, OEM metal base gasket, tensioner gasket, and cam bolt lock plate and a ProCycle specific big bore cylinder sleeve.
Built cylinders with 790 sleeves installed are usually in stock, but we must have your original cylinder sent to us as a 'core'. These cores allow us to keep up this program and it is nothing more than an exchange - we give you ours, you give us yours.
This Kit Includes:
High quality bore kit that shows substantial power gains throughout the RPM range. 65mm piston. 9.8:1 compression ratio allows use of premium pump gas. Complete kit includes: cylinder, piston, ring set, pin, clips and gaskets.
+2mm oversize from stock.
Requires cylinder boring only. Bore Diameter: 83mm, Piston Diameter: 82.95 mm
12.5:1 compression. Includes pistons, rings, pins, clips and head gaskets.
All Wiseco Pistons are forged from high silicon, low expansion aluminum which offers superior strength, reduced weight, improved heat transfer, and longer life.
Diamond turned finish from one of the many CNC computer controlled turning centers guarantees you a perfect finish with no size variation. Wiseco pistons can be installed in any of today’s cylinder bore compositions (cast iron, chrome, nikasil and boron)
Wiseco’s wide range of oversize pistons increase the life of cast iron lined cylinders.
Wiseco’s state-of-the-art computerized manufacturing facility is dedicated to supplying both the high-perfomance racer and recreational enthusiast with the finest forged piston available in today’s market place.
Replacement piston kit and gasket set to freshen up your BBR 150 motor. Includes piston, rings, wrist pin, clips, head gasket and base gasket. This piston will not fit in the stock cylinder.
The Complete Top End Performance Kit includes:
This kit boosts your displacement from 644cc to 675cc. Your cylinder must be bored to fit the larger piston.
Includes forged Wiseco 83mm Piston (83.00/+4.00 10.5:1), Rings, Clips, Pin.
Top end gasket set.
ProCycle 440cc BIG BORE 89mm KIT 2 With Cam Complete kit with 11:1 Wiseco piston (with rings, pin & clips), big bore cylinder sleeve, HotCams stage 3 camshaft and top end gasket set. You will have to have the larger sleeve installed in your cylinder.
ProCycle 425cc BIG BORE 88mm KIT With Cam Complete kit with 11:1 Wiseco piston (with rings, pin & clips), HotCams stage 1 performance camshaft and gaskets. No re-sleeving required. You will have to have your cylinder bored to fit the larger piston.
CRF230F 240cc Kit:
Big bore kit for the 2003-2005 CRF150F. A simple bore in bore kit that includes BBR's high performance camshaft and valve springs for added performance. This cam features higher lift and duration than stock. Complete kit includes piston, rings, pin, clips, BBR MX cam, valve springs and gaskets. This is the quickest way to add the most power to your bike. Great when combined with our exhaust system, Rev-Box, and Free-Flow airfilter. Requires machining of stock cylinder for installation.
For riders looking for advanced performance. Kit comes with everything you need to turn your XT250 into a rocket.
As with any engine or exhaust modification, you will need to re-tune your fuel delivery system for optimum performance.
Piston, Rings, Wrist Pin, Wrist Pin Bearings and Circlips included.
NOTE: A top end gasket set is required for installation.
All in one package.
We suggest adding a set of HotCams camshafts and a new clutch kit for the best results.
Complete kit with custom made cylinder and camshaft.
Complete big bore kit. Bolt it on and ride!
ProCycle 440cc BIG BORE 89mm KIT 1 With Cam. Complete kit with 12.5:1 Wiseco piston (with rings, pin & clips), big bore cylinder sleeve, HotCams stage 3 camshaft and top end gasket set. You will have to have the larger sleeve installed in your cylinder.
This kit provides much of the performance gain of the more expensive 150 (143cc) kits. But gives better reliability due to the thicker wall of the cylinder sleeve.
285cc big bore kit includes:
Wiseco piston 78.00/+5.00 10.5:1 (with rings, pin & clips):
HotCams stage 1 camshaft:
Complete top end gasket set:
This is a great combination and a big 'bang for the buck' performance increase.
No re-sleeving required. You will have to have your cylinder bored to fit the larger piston.
A head gasket and base gasket to fit the Big Bore cylinder.
New aluminum cylinder with plated aluminum liner. High performance camshaft with lightweight piston. This is the largest bore kit available for the KLX110 that does not require boring your engine cases.
