250 YZ250X jetting

mad-scientist-in-laboratory-mixing-chemicals-picture-id56800701
 
Nope they said once a dirtbike leaves the store it's all on you. This may be a dealership specific option I don't know. Amsoil dominator? That's a specific two stroke oil?
yamalube is good stuff 2R if I rember

Amsoil is better in my opinion for a cleaner running performance bike



I wouldn't run amsoil if my life depended on it.
Run the yamalube. Great oil. 32:1 only.
Yamaha will not warranty any of their sleds or marine motors if amsoil is used.
I trust engine engineers over oil engineers any day.
 
:pout:
I wouldn't run amsoil if my life depended on it.
Run the yamalube. Great oil. 32:1 only.
Yamaha will not warranty any of their sleds or marine motors if amsoil is used.
I trust engine engineers over oil engineers any day.
Ouch :pout:

Left my trust in an engineer I couldn't get something out of the vehicle properly,,trust an oil engineer I never had a problem??

If I have it right torco had the contract with them now citgo On yamalube,, are them not oil engineers?
Hahahahah.
 
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:pout:
Ouch :pout:

Left my trust in an engineer I couldn't get something out of the vehicle properly,,trust an oil engineer I never had a problem??

If I have it right torco had the contract with them now citgo. On yamalube are them not oil engineers
Hahahahah.

I'm talking about what the engine manufacturer recommends for mixes and as far as condemning others. The oil companies even tell you to run what the engine manufacturer recommends. It's onbthe back of their bottles in the fine print.
 
I live at 600ft and stock jetting was fat. Left needle stock 48 pilot 178 main Lucas 2t oil 44:1 nice and crisp. Air screw 1.5 out.

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