Just put a fmf gold series fatty pipe ad power core 1 silencer on my lt250r - ATVConnection.com ATV Enthusiast Community



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Old 03-09-2017, 02:13 AM
Weekend Warrior
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Default Just put a fmf gold series fatty pipe ad power core 1 silencer on my lt250r

I put a fmf gold series fatty pipe with power core 1 silencer on my 86 lt250r it has a stock 34mm flat side carb what size main jets should i get also what size piolets
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Old 03-09-2017, 08:17 AM
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I ran that same setup on my 85. Unfortunately I sold that over 10 years ago, but I don't remember having to go much larger than stock on either main or pilot.
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Old 03-09-2017, 11:22 AM
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Okay the stock size on it is it 200 for main jet do u think i should put a 240 main jet with 37 piolets
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Old 03-09-2017, 11:26 AM
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It runs for a little then i shut it off and i kick it and wont start it takes 20 mim to start again i cleaned the carb twice and dont help
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Old 03-09-2017, 12:04 PM
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Did you verify fuel flow into the bowl (pull bowl and observe fuel flow and test float seat while in there)? It's messy, but I'd ensure the carb is getting enough fuel before tackling other possibilities.
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Old 03-09-2017, 12:09 PM
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I did i adjusted the floats to and dont help so i thought getting smaller jets would help cause the main jet is big
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Old 03-09-2017, 12:44 PM
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does it stall on it's own or just tough to re-start after being warm?
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Old 03-09-2017, 02:07 PM
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Hard to start again i have to wait 20 min to start again
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Old 03-09-2017, 02:10 PM
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I just cleaned carb yesterday and still the same
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Old 03-09-2017, 02:23 PM
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Have you done a compression test?
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