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  1. #1
    Non-member alex johnston's Avatar
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    tappet adjustment..

    as above what is the settings and sequence please for the c1j, any pics or diagram as ive lost my haynes manual and i cant be bothered to go and buy another

  2. #2
    Committee, South East Regional Rep James5's Avatar
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    Re: tappet adjustment..

    I always did mine 20/20 matey and it's rule of 9 matey

  3. #3
    Non-member Romil Davda's Avatar
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    Re: tappet adjustment..

    Quote Originally Posted by alex johnston View Post
    as above what is the settings and sequence please for the c1j, any pics or diagram as ive lost my haynes manual and i cant be bothered to go and buy another
    Guys, don't we have an online Haynes manual? (I'm being really lazy and have not had a look.)

    If not, I can always scan mine in and post it up somewhere

  4. #4
    Non-member markey b's Avatar
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    Re: tappet adjustment..

    go opposites, so no8 valve spring compressed and adjust 1, 7-2, 6-3, 5-4 etc

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  6. #6
    Committee, Treasurer, Memberships admin Ian S's Avatar
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    Re: tappet adjustment..

    I don't think that's an "on-line Haynes" but someone has scanned and posted illegally, ie, Haynes could sue them.

  7. #7
    Non-member tubbyG's Avatar
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    Re: tappet adjustment..

    ooops!!


    shall I delete my post?

  8. #8
    Non-member Brigsy's Avatar
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    Re: tappet adjustment..

    What cam??

  9. #9
    Committee, South East Regional Rep James5's Avatar
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    Re: tappet adjustment..

    Quote Originally Posted by tubbyG View Post
    ooops!!


    shall I delete my post?

    No need sorted

  10. #10
    Non-member Adam 005's Avatar
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    Re: tappet adjustment..

    Use the rule of nine. If number one is open adjust number eight and so on

  11. #11
    Committee, Treasurer, Memberships admin Ian S's Avatar
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    Re: tappet adjustment..

    Quote Originally Posted by Ian S View Post
    Haynes could sue them.
    I'm not being a spoil sport, I had some vague memory pop into my head that Haynes were strict on that kind of thing and they, or the publisher, had taken action in the past.

  12. #12
    Non-member alex johnston's Avatar
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    Re: tappet adjustment..

    Quote Originally Posted by Brigsy View Post
    What cam??
    i have a piper cam in it, the links dont work above, may have been deleted i guess, if someone could pm me maybe a diagram from the haynes, and thanks for the other replys

  13. #13
    Non-member Brigsy's Avatar
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    Re: tappet adjustment..

    If its a piper 285 go .20/.20 matey, for a 270 probably .15in/.20 ex as per standard

  14. #14
    Super Administrator R5MJH's Avatar
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    Re: tappet adjustment..

    i always set tappets up what i know as rocking so get 1 and 2 fully down rocking then adjust 7 and 8 to the setting needed, so adjusting 2 rockers a time its a little quicker

  15. #15
    Non-member gttjames's Avatar
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    Re: tappet adjustment..

    Quote Originally Posted by Brigsy View Post
    If its a piper 285 go .20/.20 matey, for a 270 probably .15in/.20 ex as per standard
    i fitted a 270 and went 20/20 and there abit to noisey still, il re adjust and see how they are

  16. #16
    Non-member Nick k's Avatar
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    Re: tappet adjustment..

    The piper 270 is something like 25 inlet 30 exhaust. I set mine to 15 and 20 originally but then read the spec and adjusted them. I know they were random values that you set them too.


    Part No. Application Power Band Power Increase Duration Valve Lift Timing Full Lift Lift @ TDC with clearance Valve Clearance
    Inl Exh Inl Exh Inl ATDC Exh BTDC Inl Exh
    R5TBP270 FAST ROAD 2000‑6000 15BHP 260° 260°
    0.342″
    8.69mm
    0.342″
    8.69mm
    20‑60
    60‑20
    110°
    0.026″
    0.66mm
    0.024″
    0.61mm
    0.010″ / 0.25mm
    0.012″ / 0.30mm

  17. #17
    Non-member Nick k's Avatar
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    Re: tappet adjustment..

    285 is 25 and 25

  18. #18
    Non-member gttjames's Avatar
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    Re: tappet adjustment..

    so 25, 30 then, where yours quiet like this?

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