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120cc Big Bore Kit with Cam - XR/CRF100 - 411-HXR-1001

BBR Motorsports

4.5 (123)

XR/CRF100 120cc Big Bore Kit with Cam

Name: BBR Motorsports XR/CRF100 120cc Big Bore Kit with Cam - XR/CRF100 120cc Big Bore Kit with Cam
Brand: BBR Motorsports
SKU: 40676437524595
Price: 274.95 USD
Availability: InStock
Rating: 5 (27 reviews)

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

$274.95

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Black

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BBR Motorsports celebrates one of the best selling dirt bikes of all time with this high-compression 120cc big bore engine kit for the XR/CRF 100. Increased displacement, higher compression and large cooling fins enhance the performance an...

Reviews

5.0

36 ratings

Trail Bike Big Bore Upgrade

This is our 3rd 120cc Kit we have purchased and are very satisfied with the performance upgrade.

Christopher · May 25, 2026

2006 honda 100 big bore kit

Put new life into an old bike, went together nice and easy. I am very happy with the results. Definitely recommend BBR, I paid a little more money,however all the reviews I read were extremely positive.

One · February 20, 2026