Thread: 15W40 4T engine oil -unobtainium?
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Old 12-02-2020, 09:53 AM   #4
alex_in_az   alex_in_az is offline
 
Join Date: Aug 2013
Location: Goodyear, Arizona
Posts: 407
I run 10W40 4T without issue and I would bet my high temps are at least as high as yours
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2020 Tao TBR7
9.3:1 PnP head
CRF230F exhaust
4 degree advance key
290 degree cam
Nibbi PE30 and cone filter

Front fork brace


 
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