1987 trail boss 250 4x4 need help
#1
1987 trail boss 250 4x4 need help
i just purchased a 87 trail boss 250. IT has a couple issues for its age but is in otherwise great shape.
I have 2 questions. First i have a bogg in it. it idles fine but will only go about 15. I am thinking either carb or clutch at this point.
It hasn't been run in 3 years. The gas has been drained, and i ran seafoam through the carb. it is getting better but not great. should i just wait.
what should i look for on the clutches?
Should i look anywhere else?
2nd part is the 4 wheel drive on this unit. Is it always engaged? I don't see a on/off switch like the newer models? Is this right? Do the hubs automatically lock when the rear slips?
Does anyone know what primary and secondary springs it should be running? Also what belt number?
I have 2 questions. First i have a bogg in it. it idles fine but will only go about 15. I am thinking either carb or clutch at this point.
It hasn't been run in 3 years. The gas has been drained, and i ran seafoam through the carb. it is getting better but not great. should i just wait.
what should i look for on the clutches?
Should i look anywhere else?
2nd part is the 4 wheel drive on this unit. Is it always engaged? I don't see a on/off switch like the newer models? Is this right? Do the hubs automatically lock when the rear slips?
Does anyone know what primary and secondary springs it should be running? Also what belt number?
#2
#3
i tore the quad apart. it will not revv up even with the belt off. same symptoms. bogg at wide open throttle. i checked the carb and it looks good. cleaned it all up and same thing is happening. any ideas?
i checked the primary clutch seal. sprayed wd40 in it while on and the engine did not rev, so i am assuming the crank seal is still good.
i checked the primary clutch seal. sprayed wd40 in it while on and the engine did not rev, so i am assuming the crank seal is still good.
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#7
does anyone know for sure what wires to unplug for the speed regulator module? i will try that next. Everything else seems perfect on the atv.
also how does the 4x4 work with these quads. i do not have a on/off switch like the newer models.
How do i change/check the hub oil on these. Any other maintenance tips for a older 2 stroke?
What about primary spring colors for better perfomance? Are stock springs the best on this quad? Thanks for the help
also how does the 4x4 work with these quads. i do not have a on/off switch like the newer models.
How do i change/check the hub oil on these. Any other maintenance tips for a older 2 stroke?
What about primary spring colors for better perfomance? Are stock springs the best on this quad? Thanks for the help
Last edited by dugger13; 05-20-2009 at 12:51 PM. Reason: added more info
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