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My Valve Clearances

Started by Sparky84, March 26, 2017, 06:40:11 AM

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Sparky84

G'day All

Never Done this before, it does get a bit messy.... and the working out also.
Do I aim for the a shim to get me to the Lowest(tight) or Highest(loose)clearance?
Do I just go off the updated Shim Charts

http://www.fjowners.com/index.php?action=dlattach;topic=16002.0;attach=7628
http://www.fjowners.com/index.php?action=dlattach;topic=16002.0;attach=7629

or try to get them all the same on the tight or loose side

I've attached my measurements based on Lobe 180° from Shim and TDC using timing mark, they were pretty close

Cheers Alan




1984 FJ1100
1979 Kawasaki Z1300
1972 Honda CB750/4 K2

yaman

hey Alan,
i usually error towards the looser end of the range as they seem to tighten with wear

Sparky84

I thought I'd try and get measurement on 1 Page rather than Attachment
Left to Right 1 - 4


Exhaust   
      1              2                               3              4
0.10   0.15   0.12   0.15   meas clear   0.15   0.15   0.16   0.17
0.10   0.05   0.07   0.03   diff in Shim   0.04   0.03   0.03   0.03
275   270   275   265   old shim   272   275   275   275
265   265   268   262   new shim   268   272   272   272
0.20   0.20   0.19   0.18   new clear   0.19   0.18   0.19   0.20

Intake
      1              2                               3              4
0.08   0.10   0.10   0.13   meas clear   0.11   0.08   0.10   0.10
0.05   0.05   0.05   0.00   diff in Shim   0.02   0.05   0.05   0.03
280   280   280   272   old shim   280   280   280   275
275   275   275   272   new shim   278   275   275   272
0.13   0.15   0.15   0.13   new clear   0.13   0.13   0.15   0.13

Quote from: yaman on March 26, 2017, 06:58:34 AM
hey Alan,
i usually error towards the looser end of the range as they seem to tighten with wear
Yaman, That sounds about right from what I've been told Yaman

Maybe overthinking and should just follow chart.

Maybe just tired from waiting up for my daughter to get home from her overnight excursion which I found out later instead of dropping her friend off to catch a bus today and heading home the 150km trip she decided to drop this friend back home  :Facepalm:which is 500km round trip back to her starting point of 150km to head home, Just hope the wildlife doesn't catch her out. Sorry All

Cheers Alan

1984 FJ1100
1979 Kawasaki Z1300
1972 Honda CB750/4 K2