standard bore z1a , was running 117.5 main jets , bogsdown ,sooty plugs , needles at #3 , put standard 113's in , kerker 4-1 ,standard airbox ,
113's too lean?
Had the carbs chemically cleaned
Thanks
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main Jets
Moderators: KeithZ1R, chrisu, paul doran, Taffus
Probably had the larger jets to suit the Kerker, 113 may be too small,with larger jets fiited check out mixture with a Gunsons colurtune/May be worth checking seating of choke plungers,good 12 volts at coils,dropping needle one clip at a time,see if improves sootyness with filter out.try good run and get engine up to temp for a plug chop,dont just run bike on stand plugs wont get to self cleaning temp,if using Ngk plugs replace with nippon denso w24-es..Cheers Paul J
PAULJAC47,,,,,"She may not look like much, but she's got it where it counts, kid."
-Han Solo
You can't polish a turd, but you can roll it in glitter
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Anon
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-Han Solo
You can't polish a turd, but you can roll it in glitter
Salad is what real food eats.
Anon
PUM 673
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