05-10-2015, 03:49 PM
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#1 |
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Senior Member
Join Date: May 2015
Location: Stafford, Texas
Posts: 604
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Leakdown test.
So... I've had this bike a couple weeks and I finally got my leakdown test done.
The gauge is one I've had a while and I've done various tests on car and motorcycle engines. I pull the plug and read it. Combustion seems good mixture and no oil appears to be getting burned. (nice light tan coat on the electrodes) Did some cold cranks and I'm getting 100 psi. Turn it over twice or turn it over five times I'm getting 100 psi. Question is this... This seems 15 to 25 psi low, so, is there a mechanic in the house that can tell me if this really is low for this motor? Login or Register to Remove Ads |
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05-10-2015, 05:31 PM
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#2 |
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Senior Member
Join Date: Apr 2012
Location: Elkhart, Indiana
Posts: 369
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your valves may by to tight
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05-10-2015, 07:41 PM
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#3 |
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Senior Member
Join Date: May 2015
Location: Stafford, Texas
Posts: 604
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I have a set of feeler gauges. What is intake and exhaust lash supposed to be on this motor?
Supposed to be real rainy here in the Houston area tomorrow and I guess this would give me something to do if I can't get in to work  (edit) can someone give me those rocker/valve clearances, roughly, for a cold motor?... I don't wanna burn a valve.. I've found .06mm intake and .1mm exhaust on a google search but I'm hoping someone has a proper service manual 
Login or Register to Remove Ads Last edited by spldart; 05-10-2015 at 09:47 PM. |
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05-11-2015, 08:51 AM
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#4 |
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Senior Member
Join Date: Feb 2010
Location: P.E.I. Canada
Posts: 3,784
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intake: 0.03-0.08 mm (0.001-0.003 in) and exhaust: 0.08-0.13 mm (0.003-0.005 in).
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