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Raptor 660 smoking on warm up


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Dream Car Giveaway

WHOA...

MY REPLY WAS NOTED AS NEGATIVE AND JERKY

I REALLY DIDNT MEAN TO CAUSE THAT, SERIOUSLY...

I APOLOGIZE TO ANYBODY THAT I MAY HAVE DISRESPECT

MAYBE MY LACK OF ENGLISH OR BECAUSE I WAS TIRED AFTER 12 HR WORK, OR BEEN A MEXICAN THE PEPPER I USE IS TOO MUCH,

PERHAPS I EXPRESS BIT TOO MUCH MY JERK-MECHANIC-JERK-ATTITUDE, MAYBE IM JUST A BIG JERK.

IN ANY CASE, MY DEEPEST AND SINCERE APOLOGIES

IF YOU DONT WANT ME TO GIVE ANY INPUT OR HELP I WILL UNDERSTAND

JUST LET ME REPLY TO 1 EMAIL AND IM GONE, I HAD JUST FINISHING IT WHEN I SAW OTHER REPLIES

AGAIN, MY APOLOGIES

MESSAGE:

"""OH WISE ONE do you not think it could be rings since it goes away on warmup?

YOU: unknown Loud one

ME: Yamaha mechanic since 1976. Don't appreciate being called a bad mechanic.

That's ONE"""

REPLY:

SORRY FOR THE MISUNDERSTANDING

I NEVER SAID OR IMPLIED THAT YOU WERE A BAD MECHANIC, I DIDN'T EVEN KNOW YOU WERE ONE.

""Loud"" ??? , DON'T KNOW........BUT IF I WAS, MY SINCERE APOLOGIES. I WAS JUST TRYING TO LEND A HAND TO A STRANGER.

""unknown"" ???, COOL, THANKS, MAY BE I WON'T HAVE TO WORK SO MUCH AND I'LL HAVE TIME TO HIT THE TRAIL WITH MY GIRL.

LET ME QUOTE MYSELF :

""DONT LET THEM GIVE US MECHANICS A BAD REPUTATION, WE ALREADY HAVE ONE""

SOMETHING LIKE THAT, SEE THE ""US"" ?

IF YOU NOTICE, THE GOAL OF MY WORDS WERE TO PROTECT GOOD MECHANIC REPUTATIONS FROM PHONY, TRICKY, LYING, BAD

MECHANIC REPUTATIONS, WHICH UNFORTUNATELY, OFTEN CROSS PATHS WITH US AND THE GENERAL PUBLIC AS WELL, AND

CUSTOMERS USUALLY REMEMBER THE BADDD... THUS THE BADDD REPUTATION, WITCH GOOD MECHANICS DON'T NEED, AGREE???

NOW, I MAY DISAGREE WITH YOU ON : ""OH WISE ONE do you not think it could be rings since it goes away on warmup?""

ALLOW ME TO RETORT :

AS YOU MAY KNOW, VALVE SEALS ARE MADE OF RUBBER, THEY GET WORN JUST LIKE ANY OTHER PART IN AN ENGINE, THEY ALSO

DETERIORATE BY HEAT, MAKING THE RUBBER HARD AND BRITTLE, THEY SUSTAIN THIS CONDITION WHEN COLD, BUT ONCE THEY HEAT

UP, THEY BECOME SOFT AGAIN, CLOSING THAT TINY GAP THAT CAUSES THE SMOKE.

JUST LIKE THE SEALS, THE RINGS TAKE A LOT OF WARE AND TEAR, CREATING A LIL' GAP WHERE OIL SIPS THRU, BUT CONTRARY OF

SEALS, WHEN THE RINGS HEAT UP, NOT THEY BECOME SOFT, NOT THEY EXPAND ENOUGH TO CLOSE THAT LIL' GAP.

HENCE THE SMOKE WHEN YOU FIRE UP YOUR MOTOR, AND WHEN IT WARMS UP IT QUIT SMOKING

IF THE PROBLEM WAS THE RINGS, IT WILL SMOKE ALL THE TIME

IN ANY CASE, IF IT WAS MY BIKE, AND IF I THINK IS THE RINGS, I WOULD GO AND REPLACE 'EM, SINCE I TOOK THE HEAD OFF, I WOULD

RE-SEAT THE VALVES AND REPLACE THE SEALS, THAT IS A GIVEN, ON THE OTHER HAND, IF I KNOW THE SEALS ARE FAULTY, I WOULD GO

AND REPLACE 'EM, I DONT HAVE TO PAY MECHANIC'S FEES, RIGHT? , SO I WOULD SPEND A BIT OF TIME, AND A BIT OF MONEY TO

REPLACE THE RINGS, JUST BECAUSE I'M THERE, JUST A COUPLE OF BOLTS MORE, THEN I DONT HAVE TO WORRY FOR THEM FOR A LONG

TIME.

WIN-WIN SITUATION, ME THINKS

SOMETHING THAT PUZZLES THE OL' NOGGIN IS : WHY, ""ME: Yamaha mechanic since 1976"" , HAS PUZZLE NOGGIN 'BOUT THIS ???

JUST FOR THE RECORD, COUPLE YEARS AGO I MADE A FUNNY (JERKY) SIGN AND POSTED IT IN MY SHOP, THE LAST LINES READ:

"SORRY FOR THE RUDENESS, BUT WE MECHANICS ARE UGLY, SMELLY, DRUNK, BAD TEMPERED AND LOUD"

FROM: "unknown Loud one"

PS: QUIZ.....: DO YA KNOW WHAT MAKES THE WHEELS GO ROUN' AND ROUND' ????

I APOLOGIZE AGAIN FOR MY JERKINESS

BYE BYE

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Hey a buddy of mine just bought a 2004 raptor 660. The atv smokes on start up and then stops smoking. I asked for the color of the smoke, he said a light blue. Im guessing its valve work? If anyone could verify this and maybe specify what kind of valve work hes looking at?

Back to the topic at hand here, I would tend to agree with all the advice that has been put out here, could be rings, could be work valve guides or seals, could just be that there is too much oil in the motor, or the oil is too thin or the wrong type. Have you figured anything out yet?

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