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Exhaust Pipe to Cylinder Torque (Read 11 times)
dssaak
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Exhaust Pipe to Cylinder Torque
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
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WD
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Re: Exhaust Pipe to Cylinder Torque
Reply #1 - 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.
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Savage_Rob
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Re: Exhaust Pipe to Cylinder Torque
Reply #2 - 08/26/05 at 11:01:50
 
And never tighten when it's hot.
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dssaak
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Re: Exhaust Pipe to Cylinder Torque
Reply #3 - 08/26/05 at 13:26:26
 
Thank you!

dk
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Savage_Greg
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Re: Exhaust Pipe to Cylinder Torque
Reply #4 - 08/26/05 at 15:53:18
 
Savage_Rob wrote on 12/31/69 at 16:00:08:
And never tighten when it's hot.


Aw, you beat me to it  Grin
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klx650sm2002
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Re: Exhaust Pipe to Cylinder Torque
Reply #5 - 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  Cheesy
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Savage_Greg
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Re: Exhaust Pipe to Cylinder Torque
Reply #6 - 08/27/05 at 09:52:21
 
klx650sm2002 wrote on 12/31/69 at 16:00:08:
Last time I had the exhaust header off I replaced the standard bolts with stainless allen screws.

Clive W  Cheesy


Me too  Grin
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Savage_Rob
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Re: Exhaust Pipe to Cylinder Torque
Reply #7 - 08/27/05 at 19:01:55
 
dssaak wrote on 12/31/69 at 16:00:08:
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.
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