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GT 250 valve shim size?

FORUM ARCHIVE: Boards are now read-only as archives. For bike service manual downloads, parts shop, or to read more about the forum changes, tap here to read more....
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    • Sep 10, 2022 at 1:12 AM #8548
      Jim
      Participant

      Are the GT 250 valve shims 7.48 mm  diameter? Are they common to Suzuki or any other big manufacturer? I would like to have a plan before my valve clearance checks. Thanks folks.

    • Sep 10, 2022 at 8:49 AM #8549
      Simon
      Participant

      They certainly are.

    • Sep 10, 2022 at 3:04 PM #8552
      Jim
      Participant

      Thank you Simon. Are the Hot Cams or Pro X shim kits any good?

    • Sep 10, 2022 at 6:04 PM #8563
      ♠️ M77
      Keymaster

      JMP Shims are better.  Supposed to be made in Japan too.  Go OEM Suzuki or OEM Hyosung if you can (Hyosung uses Suzuki’s shims anyway)

      I have not tried HotCams or ProX to comment on their wear rate and such.

    • Sep 10, 2022 at 10:34 PM #8564
      Jim
      Participant

      JMP shims look rare over here. Besides OEM, PRO X  seems to be slightly preferred over the Hot Cams. Still gathering info. Thanks Marcel.

    • Oct 23, 2022 at 11:33 PM #8919
      Jim
      Participant

      I went with these Taiwanese made shims. I won’t check valves for a couple more weeks though.

    • Oct 24, 2022 at 8:54 AM #8921
      Hyo71
      Participant

      I was going to ask the same question as I need to check mine. I was hoping they were 10mm as I already have a good range of those.

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FORUM ARCHIVE: Boards are now read-only as archives. For bike service manual downloads, parts shop, or to read more about the forum changes, tap here to read more....
Viewing 6 reply threads
  • Author
    Posts
    • Sep 10, 2022 at 1:12 AM #8548
      Jim
      Participant

      Are the GT 250 valve shims 7.48 mm  diameter? Are they common to Suzuki or any other big manufacturer? I would like to have a plan before my valve clearance checks. Thanks folks.

    • Sep 10, 2022 at 8:49 AM #8549
      Simon
      Participant

      They certainly are.

    • Sep 10, 2022 at 3:04 PM #8552
      Jim
      Participant

      Thank you Simon. Are the Hot Cams or Pro X shim kits any good?

    • Sep 10, 2022 at 6:04 PM #8563
      ♠️ M77
      Keymaster

      JMP Shims are better.  Supposed to be made in Japan too.  Go OEM Suzuki or OEM Hyosung if you can (Hyosung uses Suzuki’s shims anyway)

      I have not tried HotCams or ProX to comment on their wear rate and such.

    • Sep 10, 2022 at 10:34 PM #8564
      Jim
      Participant

      JMP shims look rare over here. Besides OEM, PRO X  seems to be slightly preferred over the Hot Cams. Still gathering info. Thanks Marcel.

    • Oct 23, 2022 at 11:33 PM #8919
      Jim
      Participant

      I went with these Taiwanese made shims. I won’t check valves for a couple more weeks though.

    • Oct 24, 2022 at 8:54 AM #8921
      Hyo71
      Participant

      I was going to ask the same question as I need to check mine. I was hoping they were 10mm as I already have a good range of those.

  • Author
    Posts
Viewing 6 reply threads
  • You cannot reply to this topic.