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Changing derby cover question?

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Old Aug 23, 2007 | 02:37 PM
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Default Changing derby cover question?

Hey guys,
I want to replace my derby cover...with the bike standing pretty straight will I get alot of oil leakage when I take the cover off? Without a jack or straps, any advice on best way to do this with the least amount of mess?
 
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Old Aug 23, 2007 | 02:39 PM
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Default RE: Changing derby cover question?

Have someone else hold the bike up or use a piece of wood under the kickstand. Mine didn't leak at all standing pretty straight.
 
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Old Aug 23, 2007 | 02:57 PM
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Default RE: Changing derby cover question?

I put the bike on a level surface and put a 2x4 under the kickstand and not a drop leaked out. Be sure you have the correct gasket. Many require the flat "frisbee" style gasket p/n 25416-99c
 
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Old Aug 23, 2007 | 03:10 PM
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Default RE: Changing derby cover question?

Do the bolts have to be torqued to a specific ft/lbs, or just tighten them up?
 
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Old Aug 23, 2007 | 03:17 PM
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Default RE: Changing derby cover question?

ORIGINAL: Sammi

Do the bolts have to be torqued to a specific ft/lbs, or just tighten them up?
They're probably supposed to be, but I didn't.

A mechanic friend of mine once told me that if something has a torque spec, just turn the wrench "one grunt past a groan".So I just twisted them down good and snug, and I've gone close to 1000 mileswith no leak yet. I wouldn't get too crazy with those star bolts, though. I don't trust em to take much strain.
 
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Old Aug 23, 2007 | 03:19 PM
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Default RE: Changing derby cover question?

Hand tightening always works, just keep an eye on them after a few rides.
As the bros here stated, if anything drips out during a Derby change you had too much anyway.
 
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Old Aug 23, 2007 | 03:21 PM
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Default RE: Changing derby cover question?

ORIGINAL: Sammi

Do the bolts have to be torqued to a specific ft/lbs, or just tighten them up?
I am pretty sure the Service Manual states about 94 in-lb or about 7 ft-lbs, but double check.
 
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Old Aug 23, 2007 | 03:21 PM
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Default RE: Changing derby cover question?

Forgot to ask - Blue Locktite?

Sammi
 
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Old Aug 23, 2007 | 03:39 PM
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Default RE: Changing derby cover question?

as stated - overtight is the worst in this case - a little under, and you might leak a bit, easy fix, too tight and you could strip threads, not so easy fix.

i did not loctite, no issues at all.
 
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Old Aug 23, 2007 | 03:41 PM
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Default RE: Changing derby cover question?

Ichanged mine last week whenI did my 1k service. The service guy gave me a service gasket kit with 3 O rings and a derby cover gasket, I also bought a skull derby cover.Any other cover than stock seems to use the flat disk cover, stock cover uses a gasket that fits in a groove I had to go back to the stealer and get the right gasket. The bolts get tightened in a star pattern at 84-108 inch pounds as per the service manual.
 
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