The HCR +6mm con rod for the Yaamaha YZ85 will increase power and torque, we have designed the rod to work with the standard bearing/pin from Yamaha but it does require our special piston. The engine will remain 85cc.
VHM connecting rod has a length of 113 mm and is 3 mm longer than the OEM connecting rod.
This VHM connecting rod has a length of 110 mm and is a direct replacment for the OEM connecting rod. This connecting rod kit can be used in combination with piston APYZ12521705 / APYZ12511736A or OEM piston. The connecting rod has 7,7 grams less weight compared to the OEM connecting rod and improves throttle response. Through engine braking, standard big end hole of conrod deforms 0,015-0,02 mm oval, while our VHM conrod only deforms 0,005 mm (due to high strength material). In addition, this conrod is also super finished, which ensures a smooth surface. This helps prevent small fractures in the material. This connecting rod kit inlcudes the conrod, big end pin, big end bearing and washers. Lightweight Less oval deformation High resistance to fractures
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