Author Topic: Start up 1969 Triumph T100 Tiger after sitting for years.  (Read 449 times)

Offline stevestriumph

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Re: Start up 1969 Triumph T100 Tiger after sitting for years.
« Reply #15 on: September 15, 2018, 05:05:50 PM »
Interesting replies. The compression is low, actually 115lbs. per side. I just don't know if the low compression can cause oil to blow out the crankcase breather. Is there a definitive answer? Steve

Offline mini-me

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Re: Start up 1969 Triumph T100 Tiger after sitting for years.
« Reply #16 on: September 15, 2018, 08:10:40 PM »
Low compresion per se is not the cause, for instance I have a bike on 5:1; its the cause of the low compression you need to look for.

Head and barrel off.