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hondaracing0144
04-24-2009, 01:49 PM
my 300ex has light blue smoke coming out of the tail pipe is not real heavy but you can still c it go by the plastics can anyone tell me y my atv is doing this. the engine is pretty much stock except for open intake and k and n filters

dirtdawg
04-24-2009, 02:54 PM
your rings are bad. the thing is burning oil because it is getting past the rings. the lowest ring, the oil ring, is worn out. if it runs alright otherwise and stuff, then you don't need to do a full rebuild. i would suggest looking at the valves and the valve springs to make sure they are not sticking because that engine seems to have a lot of hours on it if the rings are bad. maybe some important bearings and stuff too but it depends on what you are willing to spend. what year is it?

hondaracing0144
04-24-2009, 05:23 PM
its a 2001 but i got it about 3 years ago

Grimzella
04-25-2009, 10:21 AM
more than likely its the rings.. i have a 2003 and the whole piston was cracked. anything that smokes, i like to tear down the head and pull the cylinder to check condition of piston and rings. If you have a valve compressor handy.. just replace the cheap valve seals just for S&G.

Tommy Warren
04-28-2009, 11:12 AM
This is off topic but dude you need to get smaller fronts or bigger back tires. no offence

Grimzella
04-28-2009, 01:44 PM
your smokin crack dude.. this setup "for me" rocks. 20in hill climbs yo.. i aint out to race you. look at the lastest post in "post your quad" my tires digg it up.

Tommy Warren
04-28-2009, 02:08 PM
ok well then you need smaller fronts cuz it looks like a trx 90

Grimzella
04-28-2009, 05:43 PM
Originally posted by Tommy Warren
ok well then you need smaller fronts cuz it looks like a trx 90
every 300 ex it sits beside looks just the same. Not even remotely close to a trx90.. engine's don't even look the same, ,, u trying to pick a fight here?

300ex#69j
05-20-2009, 10:01 AM
it sounds like u need new rings

Tommy Warren
05-20-2009, 03:30 PM
Originally posted by Grimzella
every 300 ex it sits beside looks just the same. Not even remotely close to a trx90.. engine's don't even look the same, ,, u trying to pick a fight here?


nope just giving you an outside opinion!!your bike looks like a big wheel.:p

Grimzella
05-25-2009, 12:06 PM
your mom liked it last night, when i took her for a LOOOOONG ride in the woods ,, while your dad lay passed out on the couch from 2 much beer.

Tommy Warren
05-26-2009, 04:52 AM
my dads dead but the rest of the story is believable

IRISH-RACER-14
05-26-2009, 11:47 AM
Originally posted by Grimzella
your mom liked it last night, when i took her for a LOOOOONG ride in the woods ,, while your dad lay passed out on the couch from 2 much beer.

stop fighting over something stupid. mand grimzella ur only comeback is a ur mom joke!!

get a life

and a new quad

Tommy Warren
05-26-2009, 12:00 PM
Originally posted by kdigginz
stop fighting over something stupid. mand grimzella ur only comeback is a ur mom joke!!

get a life

and a new quad


My bad man I started it

Grimzella
05-26-2009, 04:06 PM
Originally posted by kdigginz
stop fighting over something stupid. mand grimzella ur only comeback is a ur mom joke!!

get a life

and a new quad

we didnt ask you to butt in.. the canadian can handle his own fight, he's doing quite well thank you,, he even admitted he started this little tussle... So go start your own fight.. and buy a new face... lol