what was the cause for it to be rebuilt, was it sunk, what color is the smoke? the more info we have the better we can explain or help you with your problem
smokin problems
G
i have a 04 foreman 450. i just had the top end re-done about 4 weeks ago and now it is smoking again. i was also havin carb. trouble. a buddy cleaned it out and noticed the stock air filter was missin the screw at the end of it. i was needin some advice before i have it re-done again.
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G
it was sunk in a watery mud hole due to a snorkel problem. the smoke is white and you can only see it when you let off the throttle at mid to high rpms. i've had it bored .050 over and everything is back to stock. the valves also need to be adjusted. its got 83 miles on the head job.
The foreman's are tuff bikes, but when you sink them it just a matter of time before you start having serious problems. some have good luck with just a flush or two, but most don't. for it to be done corectly the motor needs to be pulled and the case's have to be split and everything cleaned and flushed out including the cooler.
i had the same problem i was going to get the top end rebuilt but a man told me it would do no good he said with a week it will be back smoking again he said the only was to fix it is to get the top and bottom end rebuilt
i had the same problem i was going to get the top end rebuilt but a man told me it would do no good he said with a week it will be back smoking again he said the only was to fix it is to get the top and bottom end rebuilt
Hey guys If you sunk it you may still have some sludge in the bottom of the motor.Drain the engine oil and pour 2.5 quarts of gasoline in the filler hole( DO NOT RUN THE ENGINE ) and wash the gunk out.You probabbly wont get it all but it will get most of it.The smoking problem however is probably not directly related to sludge in the engine.If the cylinder was not bored correctly when you had it done it will smoke very shortly after the rebuild.If you pull the engine apart again check the cylinder walls see if there are any places that are dark on the sides.If so the cylinder is still out of round and this means the rings are not in contact with the cylinder 100% of the time .This spells problems ,there must be no more than 0.004 piston to cylinder clearance if there is more it will smoke.Hope this info is helpful.
yea mine smoke qiet a bit but if mainly my fault i ran synthtic it all the mechanics told me damage is done they recomend run it till it dies and do the hole thing. i can get a 500 or 550 for 2500 if i pull the motor there a very reputable shop. its turnercycles.com if yall have heard of them
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