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-   -   Clutch Spring torque? + wise words (/showthread.php?t=30259)

Iconic944ss 05-May-2006 18:00

Clutch Spring torque? + wise words
 
I wouldnt question Chris Kelly about anything - one of his website has some superb tune up hints for various Ducatis:

http://www.ducatitech.com/info/tuneup.html

However, I'm wondering about the clutch spring torque he quotes of 8 lbs-ft. After fitting my new clutch, I couldn't properly 'feel' the torque wrench clicking at the very bottom end of its range. The collets are right up tp the posts and it all feels good at the 4-6 lbs I have indicated so far...extra advise anyone.

Also - why does the clutch pressure plate need lining up to correct clutch post? I cant see any difference while inspecting my new pressure plate.

LOL - Its been a good day in the garage though !!! :bouncy:

Cheers - Frank

twpd 05-May-2006 21:02

8lbs is about right for that size of bolt. I wouldn't be too worried if the threads were clean and undamaged.

Nick D. 05-May-2006 21:27

I use a "T" shaped allen wrench on mine and just tighten until snug plus a little extra torque - about a quarter turn - to be safe. Too much and you will quickly find out how soft the spring posts are. These will break off VERY easily. Use caution when putting torque to these.

Felix 05-May-2006 21:37

One word of advice, never use a torque wrench at the extremes of their range. You'll be much better off using Nick's method. There really is very little point trying to use a torque wrench on anything below a 10 mm bolt.

Iconic944ss 05-May-2006 22:15

Yep - I figured my torque wrench would be off little use - but at least I have a decent feel now for most bolts.

Cheers guys - & thanks for checking in Nick D.

MPL clutch cover and pressure plate.
Stainless clutch springs and bolts
Titanium collets (gotta have some - somewhere !)
ST4S - clutch pack.

Ready to abuse :lol::lol::lol:

KeefyB 06-May-2006 06:33

Quote:

Originally posted by Iconic944ss
Also - why does the clutch pressure plate need lining up to correct clutch post? I cant see any difference while inspecting my new pressure plate.

Have a look on the back of the pressure plate,....see those teeth?They have to engage in the grooves on the inner clutch drum.Its very easy to fit the plate incorrectly,then find yourself with no clutch and no drive.
The standard plate has an arrow that points to the post with a slot cut into it.(see pic)
Most aftermarket plates have a dot punched into them,...some dont,but usually you can feel when the plate is properly engaged.

Iconic944ss 06-May-2006 12:19

Thanks Keefy,

I thought there was more to it than that.

I must have fitted mine exactly 180° from the correct position as it was snug right up against the plates as it should be. However, time will tell.

Good knowledge BTW my new MPL plate does indeed have a punch mark next to the hole that goes over the slotted post.

Frank


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