308 GT4 Gearbox Fork adjustments | FerrariChat
Buy

308 GT4 Gearbox Fork adjustments

Discussion in '308/328' started by guilhem74, Sep 22, 2025 at 11:07 AM.

This site may earn a commission from merchant affiliate links, including eBay, Amazon, Skimlinks, and others.

  1. guilhem74

    guilhem74 Rookie

    Jan 9, 2025
    11
    Full Name:
    guilhem Clerc
    #1 guilhem74, Sep 22, 2025 at 11:07 AM
    Hello All,

    During this winter, i planned to change the selectors seals.

    I also have a small issue, it is most of the time hard to get out of the 1st gear, I already did the lever adjustment.

    So as i remove the pan of the gearbox, i will double check all the forks.

    Image Unavailable, Please Login

    Is there any data about clearance between the fork in the picture ? From what i've read the second should be the reference and horizontal.

    Also for the selector fork, they should be right in the middle of the two pignon, and when engaged, clearance should be similar on both side (between pignon and selector) ?
     
  2. DanielGA

    DanielGA Karting

    Mar 19, 2018
    196
    Midwest
    Full Name:
    Daniel A.
    #2 DanielGA, Sep 22, 2025 at 11:26 AM
    Do you mean clearance between the R-1, 2-3, and 4-5 forks? I recently had mine open because I had some roughness in changing gears. I did notice the spacing between the forks was the same and when shifter was in the middle of the gated shifter it was also in the middle of the forks. Forks and shifter can be regulated. I had to regulate the shifter (by adjusting the linkage rod connection) and then all was better. Not sure if this helps...
     

Share This Page