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Message started by dssaak on 08/26/05 at 07:15:43

Title: Exhaust Pipe to Cylinder Torque
Post by dssaak on 08/26/05 at 07:15:43

I looked in the Tech section, but wanted to verify. The two bolts attaching the exhaust pipe to cylinder is torqued at 18-28 ft/lbs?

Thanks,

dk

Title: Re: Exhaust Pipe to Cylinder Torque
Post by WD on 08/26/05 at 10:49:35

I wouldn't go more than about 12 foot pounds, tops. Steel bolts into aluminum threads, plus a hair of overtorquing equals a huge mess to repair. I usually go finger tight, plus 1/4- 1/2 turn. I'd rather tighten the bolts every few months than risk stripping out the thread or cracking the port bosses.
-WD

Title: Re: Exhaust Pipe to Cylinder Torque
Post by Savage_Rob on 08/26/05 at 11:01:50

And never tighten when it's hot.

Title: Re: Exhaust Pipe to Cylinder Torque
Post by dssaak on 08/26/05 at 13:26:26

Thank you!

dk

Title: Re: Exhaust Pipe to Cylinder Torque
Post by Greg_650 on 08/26/05 at 15:53:18

Savage_Rob wrote:

And never tighten when it's hot.

Aw, you beat me to it ;D

Title: Re: Exhaust Pipe to Cylinder Torque
Post by klx650sm2002 on 08/27/05 at 03:16:41

Last time I had the exhaust header off I replaced the standard bolts with stainless allen screws.

Clive W :D

Title: Re: Exhaust Pipe to Cylinder Torque
Post by Greg_650 on 08/27/05 at 09:52:21

klx650sm2002 wrote:

Last time I had the exhaust header off I replaced the standard bolts with stainless allen screws.

Clive W :D

Me too ;D

Title: Re: Exhaust Pipe to Cylinder Torque
Post by Savage_Rob on 08/27/05 at 19:01:55

dssaak wrote:

I looked in the Tech section, but wanted to verify. The two bolts attaching the exhaust pipe to cylinder is torqued at 18-28 ft/lbs?

Thanks,

dk

Umm, that was 18-28 Newton meters. It's 13.3-20.6 ft. lbs. Be careful with that or you could do some damage. My 1/2 inch drive torque wrench has both. While I was changing my oil today I did a once-over on the bike. Mine were a bit loose so I retorqued them at 18 ft. lbs. If, like me, you use a smaller 1/4 inch drive torque wrench with only inch pounds for some tasks, multiply the ft. lbs. value by 12 to get the in. lb. value.. I know it sounds simple (12 inches in a foot and all) but someone out there may not know. Better it's said than a silly mistake cause someone cash and frustration.