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compression check questions

2202 Views 23 Replies 5 Participants Last post by  unfetteredmight, 
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Hi Guys,

I know a compression check is pretty easy to do but I have a few questions about the procedure.

Can a compression check be carried out with the engine "out of" the frame?
Can it be done safely with the oil drained? would that be accurate?

I would guess, but thought I would ask anyways...

Thanks,

Kelsey
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unfetteredmight said:
Also there are two dowels per holder and that's where you'll meet your resistance if your having trouble getting those holders to come up. Use something plastic to gently pry so as to not slip and scratch a cam lobe. Make sure they come up evenly, I suspect that they could break easily if too much stress is applied.
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I will have to try that next time. It seemed like it was just floating there.... and there was NO give whatsoever....I will look for the dowels....
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bladeracer said:
The timing rotor is on the end of the crank which stays in the upper case half.
You need to release the cam holder bolts sequentially and keep tapping the cam holders so they come up with the bolts. You don't want the cam holders to stay down on the head when all the bolts are out.
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ah....the tapping....that is probably the key....and I just finally bought myself a rubber mallet......
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bladeracer
Trendkiller said:
ah....the tapping....that is probably the key....and I just finally bought myself a rubber mallet......
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I just use the blunt end of a screwdriver :)
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bladeracer said:
I just use the blunt end of a screwdriver :)
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Your such an animal Blade :D
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