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Old May 30th, 2023, 03:45 PM   #28
Bob KellyIII
Retired motorcycle Mc.
 
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Name: Robert
Location: Weed, California.
Join Date: Jul 2021

Motorcycle(s): 2012 Kawasaki Ninja 250R, 2021 CSC TT250, 1977 Triumph Bonneville 750cc,2001 Honda XR650L.

Posts: A lot.
What is it .... #4 copper washers used for shims ????
you should pick up at least 4 of those too while your at it as you may need them. or just run to the hardware store for those...
I really didn't notice any difference in the running due to the Main jets just a tiny bit leaner... from 98's down to 95's is a very small change... I expect to see a change in plug color, but it won't be much... I really think the big change came from the shims.
....
when I was porting and polishing 2 strokes in my younger years it was not uncommon to go 3 to 4 sizes due to all the material I removed from the ports
and the engines were like a completely different animal ! though the big changes were adding tuned pipes ! that really changed the machine !
...
Bob....
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