Topic: need clutch spring torque spec - cb550

[ajracer]

My book says 29 to 32 foot lbs. does it mean inch lbs. I just snapped a bolt and the others seemed to keep turning after it started to get tight. really don't want to strip out my clutch.

[delay pedal]

you just tighten till they get tight, i dont think there is a torque like the 750

[TwoTired]

Honda Cb500/550 shop manual.
Chapter 1 Service Precautions,  pg 1.
Item 20  Clutch Spring, 6x20 Hex bolt Qty, 4   7.2 - 10.1 Ft lbs. (= 86.4 - 121.2 in. lbs.)

[moham]

ouch.

[Deltarider]

Honda Cb500/550 shop manual.
Chapter 1 Service Precautions,  pg 1.
Item 20  Clutch Spring, 6x20 Hex bolt Qty, 4   7.2 - 10.1 Ft lbs. (= 86.4 - 121.2 in. lbs.)

 
Follow that and they'll snap!!! I had mine snapped several times. And my experience is shared by others. Just use your sense and you'll be all right.

[moham]

Honda Cb500/550 shop manual.
Chapter 1 Service Precautions,  pg 1.
Item 20  Clutch Spring, 6x20 Hex bolt Qty, 4   7.2 - 10.1 Ft lbs. (= 86.4 - 121.2 in. lbs

.)

Follow that and they'll snap!!! I had mine snapped several times. And my experience is shared by others. Just use your sense and you'll be all right.

really? 7-10 ft/lbs of torque isn't really that much is it?

[Deltarider]

really? 7-10 ft/lbs of torque isn't really that much is it?

On my 500 the bolts were beheaded. And the ones that came out, had stretched necks, if you know what I mean. Springs must have something to do with it.

[elquenada]

I changed my 550 clutch about 2 months ago and I went searching for the same info.  I found a lot of posts that warned of tightening down too hard or unevenly.  so i what i did was tighten the bolts down as evenly as possible trying not to overstress that plate. once the bolts were all the way in I just gave it a little extra hand tight turn (about inch-6lbs). Bike ran real smooth until I could no longer resist the urge to rip it apart.

[fastbroshi]

I just had this happen to me, I missed Deltarider's comment before I tried it.  I set my torque wrench to 9ft-lbs and I got two of them to tighten enough to make the wrench click.  Then I snapped one.  Off to the hardware store.

[MCRider]

My book says 29 to 32 foot lbs. does it mean inch lbs. I just snapped a bolt and the others seemed to keep turning after it started to get tight. really don't want to strip out my clutch.

29 to 32 ft lbs is more than a cyl head nut, which is hardened 8mm. Very suspicious. No plain 6mm bolt can stand that.

No reason these need more than a regular 6mm. The 6 to 8 ft lbs mentioned by many is plenty.

[dave500]

i just do any 6mm by hand/feel=not much

[fastbroshi]

Honda Cb500/550 shop manual.
Chapter 1 Service Precautions,  pg 1.
Item 20  Clutch Spring, 6x20 Hex bolt Qty, 4   7.2 - 10.1 Ft lbs. (= 86.4 - 121.2 in. lbs.)

I was just going to order some parts and thought I'd see how much these bolts are from Honda, and noticed they're actually 22mm, not 20mm.  I ended up buying 20mm at the hardware store and they worked, they just took a little more push on the clutch plate before they'd engage the threads.