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Ships within 48 hours · Estimated delivery Aug 14 - Aug 19
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Description
BBR 120cc Big Bore Kit w/ Cam - XR/CRF100120cc Big Bore Kit with Cam XR CRF100 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 and longevity of the motor. This is the only XR CRF100 bore kit that matches the new rocker arms perfectly to the new high performance BBR cam shaft. This kit is ready to go and
120cc Big Bore Kit with Cam - XR/CRF100
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 and longevity of the motor. This is the only XR/CRF100 bore kit that matches the new rocker arms perfectly to the new high-performance BBR cam shaft. This kit is ready to go and bolts on with no case boring required. Dyno tests show more than 2HP gain with this kit. Fits ALL model year XR and CRF100's. From 1981-Present year.- Increased displacement
- High compression
- High performance camshaft with HD valve springs
- New rocker arms and adjusters
- BBR Large fin, aluminum cylinder with steel liner
- 58mm piston, ring set, piston pin & clips
- Gasket kit including cylinder head and base gaskets
- Fits 1981-Present year XR/CRF100's
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.5 ★★★★★
Based on 26 reviews
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Product Reviews
★★★★★ 5
Beautiful
Size: 8, Color: Mustard Seed
I love it good material
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Reviewed in the United States on May 29, 2026
★★★★★ 5
El color es muy lindo entre verde y negro
Me quedaron perfectas son cómodas
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Reviewed in the United States on April 24, 2026
★★★★★ 5
Súper recomendadas
Size: 6, Color: Mustard Seed
Hermosas
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Reviewed in the United States on April 22, 2026
★★★★★ 5
Excelente
Size: 7, Color: Mustard Seed
Excelente producto
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Reviewed in the United States on April 15, 2026
★★★★★ 4
More blue than purple
Size: 4.5 Toddler, Color: Celeste
Not the same color as shown. The color is more blue
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Reviewed in the United States on May 5, 2025