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Big Bore Kit 88cc Cylinder Head Piston Z50 CRF50F XR50 CRF50 CRF70 XR CRF 50 70

Description: Kit Consists of TBW0365, TBW0206, TBW0156, TBW0125, TBW0273, TBW0301, TBW0398, TBW0300, TBW0385, TBW0226, TBW0262, TBW0294, TBW0287TB Parts Race Head, 88cc BigBore kit, and 20mm Carburetor Performance Kit: CRF50 & XR50 CRF70 & XR70 88-99 Z50 91-94 CT70 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 savings 6/26/06 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 and comes 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). Check my other items. Can't find what you are looking for? Just type in what you need in the search box above and click search. Shipping: Calculated shipping and handling amount. Upgraded shipping available. Will ship multiple items for a reduced price. The more you buy, the more you save. All items in STOCK and shipped same or next day after payment Monday through Friday. Payment: IF BUYING MULTIPLE ITEMS REQUEST A TOTAL BEFORE PAYING! IF YOU DO NOT REQUEST A TOTAL AND MAKE PAYMENT THERE WILL BE NO REFUND. YOU MUST REQUEST A TOTAL BEFORE PAYING. PA residents must add 6% sales tax. Always include your FULL shipping address. All payment and tracking information is automatically emailed to you. Payment expected in 5 business days. Outside of US buyers are responsible for any tax or fees your country charges you, and no item will be shipped as a gift. Returns: 7 day return policy. No returns after 7 days from receiving item. Does not include electrical or engine parts. 20% restocking fee. Must be returned in original unopened sealed package. No returns on any opened, installed, or used part. No exceptions. Buyer pays return shipping and refund is for item price only, not shipping cost. Refund is store credit only.

Price: 399.99 USD

Location: Winfield, Pennsylvania

End Time: 2023-11-04T22:26:27.000Z

Shipping Cost: N/A USD

Product Images

Big Bore Kit 88cc Cylinder Head Piston Z50 CRF50F XR50 CRF50 CRF70 XR CRF 50 70

Item Specifics

Returns Accepted: ReturnsNotAccepted

Manufacturer Part Number: TBW0936

Brand: TB Parts

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