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Thread: Anyone fitted a Yoshimura ST-1M cam?

  1. #1
    Junior Member
    Join Date
    Nov 2016
    Melbourne, Australia

    Anyone fitted a Yoshimura ST-1M cam?

    I have my engine pulled down to rebore the barrel to 88.0mm due to excessive wear & slight scoring.
    I will be using Wisco piston 9:1 compression
    I am looking at changing standard cam to the Yoshi ST-1M which will supposedly give me better bottom end & mid range power.
    I am trying to find out if I will need to modify timing if I fit this cam.
    Help appreciated.

  2. #2
    It is a stage 1 cam with a small overlap so you can just install it without any adjustment to cam timing.

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