ym240 project

jbrd

New member
Okay, now my ym240 has fuel to the lines entering the injectors, it cranks much better, it wants to start, but no luck today, the exhaust that it is putting out is a greyish white, more white than grey. It has new fuel, if it involves timing, I'm lost as to where the shims come into play. jbrd
 

lens12

New member
The pump has a cam shaft below that activates the injector pump. By adding or removing shims the fuel timing is advanced or delayed.
 
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