CB200 Cam Chain adjustment bolt misplaced!? - Page 2
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Thread: CB200 Cam Chain adjustment bolt misplaced!?

  1. #11
    Senior Member brush439's Avatar
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    yes simo, M5 in the head, M6 for the lock nut
    myself? I just drilled it out and tapped it M6 . machined the thread off the end of the bolt as per original

  2. #12
    Senior Member brush439's Avatar
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    yes simo, M5 in the head, M6 for the lock nut
    myself? I just drilled it out and tapped it M6 . machined the thread off the end of the bolt as per original

    exactly same part as per CB175 and I would imagine CD175 as well

  3. #13
    8AD
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    Quote Originally Posted by Simo View Post
    It's a special bolt, 2 different pitches on separate threads
    Part # 90009 315 000
    Off the top of my head the pitches are M6x 1 and M5x 0.7 but you'd want to check
    got it all the information, i would better start look for one online. thx, again.

    Quote Originally Posted by brush439 View Post
    yes simo, M5 in the head, M6 for the lock nut
    myself? I just drilled it out and tapped it M6 . machined the thread off the end of the bolt as per original

    exactly same part as per CB175 and I would imagine CD175 as well
    Won't be easy to find one in nut / bolt shop. but nice info, much appreciated.

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  5. #14
    Senior Member HondaCB200Lady's Avatar
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    Quote Originally Posted by 8AD View Post
    got it all the information, i would better start look for one online. thx, again.



    Won't be easy to find one in nut / bolt shop. but nice info, much appreciated.
    Still available from David Silvers 90009-315-000 - Parts For Honda Motorcycles - David Silver Spares also available fro CMSNL but more expensive.
    8AD likes this.

  6. #15
    8AD
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    Quote Originally Posted by Simo View Post
    It's a special bolt, 2 different pitches on separate threads Attachment 128234
    Part # 90009 315 000
    Off the top of my head the pitches are M6x 1 and M5x 0.7 but you'd want to check
    Could someone verify this measurement? been checking some site, but no good reference so far.

    So I went to nut and bolt shop, and look for M5 x 0.7, they never heard that size. M5 have 0.8 pitch. The bolt that goes with 0.7 pitch mostly is M4.

    Then I asked further for a Die tool (bolt maker) but they also don't have the M5 x 0.7 Die tool.

    thanks


    illustration: die tool

  7. #16
    Senior Member Simo's Avatar
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    Quote Originally Posted by 8AD View Post
    Could someone verify this measurement? been checking some site, but no good reference so far.

    So I went to nut and bolt shop, and look for M5 x 0.7, they never heard that size. M5 have 0.8 pitch. The bolt that goes with 0.7 pitch mostly is M4.

    Then I asked further for a Die tool (bolt maker) but they also don't have the M5 x 0.7 Die tool.

    thanks


    illustration: die tool
    Its M5x 0.8 then,
    But if the current bolt I'd an M6 all the way through then it won't matter since its already been bored out over the M5 diameter
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  8. #17
    8AD
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    Quote Originally Posted by Simo View Post
    Its M5x 0.8 then,
    But if the current bolt I'd an M6 all the way through then it won't matter since its already been bored out over the M5 diameter
    i think in the long run, that would be best option, as generic M6 bolt will be so easy to find as replacement.

  9. #18
    8AD
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    CB200 Cam Chain adjustment bolt misplaced!?-cb200-no-cam-tensioner-chain-guide-ground.jpg

    so this is the update. I found that the previous person who fix this has no idea what is the cam tensioner used for, they took it out, and driller the rear side, and bolted in a bolt to push the chain guide in against the chain. I know that all the mess will ended up in oil filter. damn!

    thx for all the respond, people.

  10. #19
    Senior Member Richard_Pitman's Avatar
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    More pictures please !

    Intrigued to see what lifting the cylinder block will reveal.
    1972 Honda CL175

    1999 Honda CB600 Hornet

  11. #20
    8AD
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    so here you go, another update. Interesting how I been kept amazed by what the previous owner did. Total crap!

    CB200 Cam Chain adjustment bolt misplaced!?-cb200-cam-chain-guide-cut.jpg
    the original cam chain guide was cut, this is what has been left

    CB200 Cam Chain adjustment bolt misplaced!?-cb200-tweaked-existing-cam-cain-guide.jpg
    there's new cam chain tensioner installed on the rear side, and this is what has been pushed by the bolt from behind. (refer the first post on this thread), I don't know which Honda CB version this is from, maybe the bigger cylinders one!?.

    What I have as well from measuring and observing:
    1. there was no cylinder head gasket installed, merely only residue of glue left. Crazy.
    2. Cylinder has been bored up/honed to the size 60.9mm.
    Last edited by 8AD; 01-04-2017 at 02:09 AM.

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