Type: ST-1M MAX LIFT(mm):IN 10.00mm/EX 9.5mm 1mm DURATION(degree):IN 245 degrees / EX 242 degrees Standard tappet clearance (mm):IN 0.15mm/EX 0.20
*The profile is the same as the ST-1 that was sold before.
The camshafts for ZRX1100 / ZZ-R1100 / ZX-10 have been requested by many customers since they were discontinued. In order to adopt the most suitable material for making camshafts, Yoshimura Japan uses a quality-controlled material (a kind of ductile cast iron) for this new product. In addition, laser quenching was performed to optimize the material. Please feel the camshaft made by pursuing "high precision and high durability" with high hardness, low distortion and high lubricity by new material and laser quenching.
[What is Yoshimura's camshaft?] ■Original cam profile setting Yoshimura's camshafts are designed by our original know-how. The design of the profile begins with knowing the specifications of the standard engine. The profile characteristics of the Yoshimura camshaft are determined based on the engine speed and characteristics to be used. The next step is to express the determined profile characteristics in numerical values. From form to number......Yoshimura's years of expertise have led to a unique profile. A prototype camshaft with the profile created in this way is installed in the engine and checked to see if it actually has the characteristics as expected. If the expected characteristics are not obtained, the design is redone from the beginning. Yoshimura's original cam profile is derived after the repetition of this series of work. ■Consistent production control Yoshimura has consistent production control including centering. The camshafts are machined from the ground up in the company with great care given to the materials used to reproduce the profile. The manufacturer does not apply heat to the camshafts, as it may cause distortion, deformation and strength loss. In order to make the camshaft hard enough for the engine, the best heat treatment is selected from various methods and applied. Unique cam profile design + consistent management of production.This is Yoshimura's commitment to the camshaft.
Points of Attention
* If there may be an instruction manual included, it will be written in Japanese.
I bought it because YOSHIMURA resold from Mr. YOSHIMURA where I wanted to take measures against weak point Cam gang. Since I just started using it, I do not know the durability, but Response has become sharp at all, so I'm looking forward to the future. View Detail
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