Description: 88cc Big Bore Kit, specifically for Honda XR50 CRF50 Race Head, 88cc BigBore kit, and 20mm Carburetor Performance Kit:UPDATE – Untilfurther notice, this kit will also include the following items at noextra charge!!!– 6 Piece main jet kit for the 20mm carb ($10 savings)– High Volume oil pump ($25 savings)– Clutch cover gasket ($3 savings)– Performance CDI ($25 savings)$63 total savings6/26/06 Our Race Head has been updated for even more performance! It nowhas 25/22mm valves with better porting/flow. We also kept the combustionchamber the same size and changed the angle of the valves slightly. This will really wake up your stockengine and is comparable in power to the muchlarger Chinese 124cc engines!!! Includes the following:– Lightweight aluminum cylinder with steel sleeve– Cast in mounts on cylinder for aftermarket skid plates– Oversized cooling fins on cylinder for efficient heat dissipation– 52mm high compression piston with rings, pin, & clips– Head gasket kit and clutch cover gasket.– High performance race camshaft (for the Race Head only)– Race Head - Larger valves (now25/22mm) and better flow for increasedperformance. Also has bigger cooling fins. Includes all necessary parts andcomes assembled! NEW! 06/08 – Theexhaust valve has been upgraded to stainless steel (21-4N material) .– 20mm Performance carb assembly. Includes: 20mm carb, intake, heatstop, gaskets, mounting hardware/wrench, long adjustable throttle cable,and a angled dual layer foam air filter.Installation Note: It will save a lot of time andeffort if the oil pump is installed while installing the bore kit (requirescylinder removal).
Price: 399.99 USD
Location: Beaverton, Oregon
End Time: 2024-09-01T20:13:09.000Z
Shipping Cost: 30 USD
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Returns Accepted: ReturnsNotAccepted
Manufacturer Part Number: tbw0936
Brand: Tb parts
