Motorcycle Spares Warehouse
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  1. #1
    n00bie


    Real Name
    Change Me
    Bike
    81 CB900F2B, GPZ110 A1
    Join Date
    Jan 2018
    Location
    QLD
    Posts
    8

    Default 83 GPZ1100 camshafts

    Hi, during the restoration tear down, I've eventually got the head off and the cams out. While measuring the lobes I find that the total lobe height across all 8 is between 36.30 and 36.36 (mm), resulting in a lift of between .322" and .325". This struck me as strange because the book says the lobe height should be 37.66mm with a lift of .375". What the......I'm thinking that the cams have been swapped out at some time. what could these cams possibly be out of.
    Base circle 28.13mm, lift 8.22mm (or there abouts).
    Any ideas??????
    Last edited by HarryNZ; 28-09-18 at 07:46 AM.

  2. #2
    I'm Getting There


    Real Name
    Steve
    Bike
    83 GPZ1100 GTR1000
    Join Date
    Feb 2013
    Location
    Newcastle NSW
    Posts
    518
    My Mood
    Amused

    Default

    They could possibly be from a carburetor model such as a Z1000J or Z1100

 

 

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