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flywheel puller question

  • Thread starter Thread starter rwnielsen
  • Start date Start date


Little heat, torque and whack whack.....torque, whack whack.
After about 4 times I checked and it was loose. One of the rollers fell out when I pulled it off. There's a all piece of thread inside the puller and the push bolt, as well as my impact socket is toast.
All in all I couldn't be happier.
You guys saved my bacon again
I'm not sure what to do at this point and tomorrow is a new day
Thanks for all your help and patience
Rich
 
All the parts look good.....springs, plungers, rollers. The 3 cap screws are all worn around the threads where they were loose. I'll try the local shop and see if they have them. I ordered some on-line but that may be weeks away.
 
Good job, the last couple of guys with issues destroyed theirs. History has shown these things are not nearly as hard to get off he second time.

There are tolerances of no more than about 0.050" wear and the clutch will not grab any more. The replacement rollers are only 1/2 the wear items ; need a complete clutch to solve. I don't have the exact measurements. But the rollers are an even number in mm (eg 3mm) so if they are shy that is an indication of wear.
 
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Thanks. I have a good micrometer. I'll check them out and look up the spec. I'm a fanatic about oil changes but the bike was 15 years old when I bought it. .050" is a lot of wear.
 
the wear comes from high RPM then closing the throttle or road race type of down shifts and of course starter kick back.
when you do the above it makes all the SC parts kick back out and try to engage while the engines running.
i have seen the rotor threads wobble even with new bolts.
if yours fit pretty tight just red locktite and impact them in.
depending on your riding habits you should be good for a long time.
 


15.000mm
It's either horribly worn or in good shape. I'll research it more when I get a few minutes
 
when they wear the hard coating starts coming off.
you should be able to see and or feel the worn parts.

also look for dents in the SC housing..that would be a bad sign.
 
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rwnielsen said:


15.000mm
It's either horribly worn or in good shape. I'll research it more when I get a few minutes
Click to expand...

I figure that is zero wear, and it probably just came loose. If someone did a search under my handle they can probably find the stock sizes and the threshold for slipping.

OK I looked it up. The reason I know this wear is too much is that it started to slip right at this wear level. I had forgotten to put the roller bearing in and got accelerated life testing of the starter clutch.

http://www.thegsresources.com/_forum/showpost.php?p=868390&postcount=3

The barrals measure:

14.80, 14.74 and 14.59 mm compared to new which is 15.00 mm

The flywheel boss is

51.48 mm v.s new which is 52 mm.

If I take either of two other flywheels and drop it into the clutch the barrels lock. With the "new" one just pulled out it will NOT ; it simply spins.
Click to expand...
 
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$2/ea. I would have probably gone with a shoulder bolt. I cleaned everything up really well.
 

Book calls for 14.5lb/ft or 174 lb/in. I gave it a nudge beyond as it is less than I would have tightened it without a torque wrench.
 
I fired it up.....no mystery noises at all. I'm going to go for a little ride ;-)
 
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