- Crafted for Yamaha Y15ZR
- Crafted with durable materials
- Withstand high temperature & heavy usage
- Enhance in-engine power, torque & acceleration
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Yamaha Nvx155 Cardinals Racing Camshaft Vop
Recommended Tappet Clearance
0.10mm Exhaust
0.10mm Intake VVA
To install the Cardinals Racing Cam NVX VOP, the Original Valve Spring (OE) must be exchanged With Racing Valve Spring Which Could AT Least withstand Valve Spring Of 9.5mm and above. if one doesn't change the Racing Valve Spring, it may cause damage to the Racing Cam's lobe.
Therefore, the best recommended bore size is 65mm and above and jack rod with valve size EX:22 / IN:25
To obtain the ultimate engine performance, one should use a degree wheel to dial the camshaft, (with adjustable timing gear)
The best-recommended compression ratio is within 1:12.3 - 1:12.6
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Yamaha Y15ZR Camshaft V63
To install the Cardinals Racing Cam V63 for Yamaha Y15ZR, the Original Valve Spring (OE) must be exchanged with Racing Valve Spring which can withstand camlift of 9.5mm or above
Piston size of 62 - 63mm will be recommended for the best performance.
The best-recommended compression ratio is within 1: 12.50 - 12.70.
For the ultimate engine performance, one should use degree wheel to dial camshaft, (with adjustable timing gear) *please refer to the instructionpicture on the right.