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View Full Version : 85 250r pipe jetting (yet another)



80'427
05-02-2005, 09:36 PM
I did try a search, so I did look first. I bought a fmf fatty and turbine silencer off ebay. I only paid $41 so even if it is not a ESR it will be OK. Well I went to the local honda dealer to get the jets FMF recomends for the carb. I got a 145 main jet (stock 142) with no problem but the pilot (low speed) jet (42) was 10 lower than the stock jet (52)and they didn't even list one that low. So I only got a main jet. What happens if the low speed jet isn't right? Does it only effect idle? Is my manual have a misprint?