High Performance Camshaft - Honda Grom Monkey Cub CT125

If you're looking for that competitive edge, look no further than our adding a performance camshaft to your mini. These products are designed with nothing but power in mind. With a wide range of options and price points there’s surely an option to best fit your build.

CJR Stage 2 Camshaft - Recommended for gains from 7,000rpm to 11,000rpm (ON SALE)
One of the most aggressive camshafts available while retaining OEM valve springs. Great upgrade for mid-high RPM increase for both stock bore and big bore applications. Valve lash - .003in .004ex

DCR R2 PRO - 5.7mm - Recommended for gains from 7500rpm to 10,000rpm
2014-19 Honda Grom and Monkey bike racing camshaft. Our highest performing MSX-125 camshaft next to the race spec, delivers unmatched profile lift velocity , for radical street / track racing. Makes maximum power in 125 cc stock bore to 180 cc stroker / big bores. Dual spring kit is required for the R2 Cam above 10,500rpm.
DCR Race Spec - *Special Order Only* Recommended for gains from 9,000rpm-13,000rpm (Requires oversize throttle body, ported cylinder head, oversize exhaust)
2014-21 Honda Grom and Monkey bike racing camshaft. Our highest performing MSX-125 camshaft. For radical street / track racing. Makes maximum power in 125 cc stock bore to 180 cc stroker / big bores. Dual spring kit is required for the race spec camshaft as the biggest gains come in from 9,000-12,500rpm. On average a 10% increase over the R2 Pro.
Koso Camshaft
Our 240 degrees performance camshaft will give you great results at high RPM. This camshaft can be used with a stock engine, but will even give better results with the Koso 170cc big bore kit. Made from quality material for longer durability, the Koso GROM camshaft is a clever choice.
Yoshimura Type: ST-2M
- MAX LIFT(mm): IN 6.50mm/EX 6.50mm
- 1mm DURATION(): IN 250/EX 250
- Tappet Clearance(mm): IN 0.08-0.12mm/EX 0.08-0.12
- This camshaft requires fuel injection adjustment. Without remapping, full performance gain is not expected.
- Valve timing must be measured and adjusted when installing. *Cam timing should be set by a qualified mechanic to ensure proper function. Improper installation or cam timing could result in catastrophic engine failure.
- Tappet clearance must be measured and adjusted when installing.
TB Camshaft / 5.6mm - Recommended for gains from 7500rpm-9500rpm
Easy bolt on power for your Honda Monkey 125 or Grom! This TB High Performance Camshaft is for use with either the stock bore or our 186cc Big Bore Kit.

DISCLAIMER: LEGAL IN CALIFORNIA ONLY FOR RACING VEHICLES WHICH MAY NEVER BE USED, OR REGISTERED OR LICENSED FOR USE, UPON A HIGHWAY.

This product is legal for closed-course competition use only; for racing vehicles (a competition vehicle not used on public highways). Intended for off-road use or race purposes; does not meet regulations of pollution controlled roads or highways. This system is NOT compliant with the California Environmental Protection Agency (E.P.A.) or California Air Resources Board (C.A.R.B) for use on public roads or lands.

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