CBR 1000F "Hurricane" 1987-1996 CBR 1000F

Loose Sprocket Nuts...

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Old 05-30-2013, 04:42 PM
badrhino's Avatar
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Default Loose Sprocket Nuts...

So when I was in the process of removing the rear wheel to sand it down I removed the rear sprocket. Before I started to remove it I grabbed it and it would move back and fourth ever so slightly. I then went to loosen the nuts and they weren't really tight at all and barely snug. When I first rode the bike I thought there was some driveline lash and I figured maybe it was just a loose chain or something. Wow, was the previous owner a dip**** and not perform any maintenance or not tighten them to spec or what? I don't think I've ever seen sprocket nuts get loose on there own.

Anyone know the correct torque right off hand without having to look at the owners manual? Thanks
 
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Old 05-30-2013, 04:56 PM
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30 foot lbs Page 1-16

It is quite easy to look it up in the manual!

Cheers, SB
 
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Old 05-30-2013, 04:59 PM
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65 ft/pounds with the studs lubricated w/oil, is what the 95-98 F3's run.
I imagine yours is similar, but won't swear to it.

Ern
 

Last edited by MadHattr059; 05-30-2013 at 05:06 PM.
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Old 05-30-2013, 05:27 PM
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Originally Posted by MadHattr059
65 ft/pounds with the studs lubricated w/oil, is what the 95-98 F3's run.
I imagine yours is similar, but won't swear to it.

Ern

You sure that's not for the driven sprocket nut Ern?

That's 78 foot lbs on the CBR1000F

And the manual says 30 foot lbs for the rear brake disc bolt.

Cheers, SB
 
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Old 05-30-2013, 05:49 PM
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Correct Sebastionbear,

65 ft/pounds is for the driven (rear) sprocket nut(s).
The drive (front) sprocket bolt(s) is 40 ft/pounds for the F3.


By the way, Rhino...it might not be a bad idea, to get the manual
and go through the rest of the bike. It would be worth the hassle,
if you find even one more bolt/nut, that's not properly torqued.

Hope this helps, Ern
 
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Old 05-30-2013, 10:11 PM
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Good thing I just always tightened my front and rear sprockets to the old fashioned
torque setting of "F" as in F'ing tight which is about 22 1/2 degrees from snapping
the bolt head off or ringing the the threads. Reckon those steel cogs won't compress a
whole lot and the front one is a Sunday morning cog - "it's a floater" ..................
 
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Old 05-31-2013, 03:38 AM
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if you have a bit of movment, just check your cush drive rubbers as well
 
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Old 05-31-2013, 12:40 PM
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Wheelnut,

I did check the cush drives and they look good. However I meant that the sprocket actually moved a little back and forth on the hub as the sprocket nuts were not tightened down good.
 
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