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88cc Stage 2 Big Bore Kit for Honda Z, XR, and CRF 50's

$229.00
Tax excluded

50 Caliber Racing Stage 2 Big Bore Kits are top quality and come with everything you need to finish the job. This is a great way to pump up your Honda Z50, XR50 or CRF50. This kit is recommended for those who don't want to spend a fortune but still want to see a nice power increase over the stock engine. It can be installed by anyone with basic mechanical skills who isn't afraid to turn some nuts and bolts.

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Last time this product was added to a cart: 04/01/2026

 

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50 Caliber Racing Stage 2 88cc Big Bore Kit for Z50 (1992-1999), XR and CRF 50's (2000-Present)

Our 50 Caliber Racing Stage 2 Big Bore Kits are top quality and come with everything you need to finish the job. This is a great way to pump up your Honda Z50, XR50 or CRF50. This kit is recommended for those who don't want to spend a fortune but still want to see a nice power increase over the stock engine. It can be installed by anyone with basic mechanical skills who isn't afraid to turn some nuts and bolts.

Includes:
- Lightweight aluminum cylinder with steel sleeve
- Cast in mounts on cylinder for aftermarket skid plates
- Oversized cooling fins on cylinder for efficient heat dissipation
- High compression 52mm piston with rings, pin, & clips (you can still run pump gas)
- Head gasket kit, all gasket included needed for install.
- 20mm Performance carb assembly. Includes: 20mm carb, intake, heatstop, gaskets, mounting hardware/wrench, air filter, and long throttle cable
- Performance camshaft

Fits:
HONDA
- Z50 (1992-1999)
- XR50 (2000-Present)
- CRF50 (2000-Present)

*High volume oil pump is recommended

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