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PFFFFT sound?

Started by JoChan23, March 16, 2006, 02:15:34 PM

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JoChan23

It sounds like a gush of air 'PPFFFFFTTT' comes out somewhere around the carbs/cylinders right after the engine chugs.   Boy i know that sounds like a terrible description lol
It sounds like chug pfft chug pfft

Any Clue?

- Jordan

natedawg120

are you smelling fuel when you are hearing this smell?
Bikeless in RVA

JoChan23

No, not any more than usual

i thightened the two rings on the tubes that go from the carbs to the cylinders, no difference

- Jordan

mjm

Could be a loose spark plug.

JoChan23

hmmm good call ill go check

- Jordan

coll0412

also check the vacuum caps on the top of the carbs to see if one is cracked or gone entirely
CRA #220

natedawg120

also when was the last time you check the valves?  You might be getting a llittle blow back through the carbs.
Bikeless in RVA

Wrecent_Wryder

#7
43c
"On hiatus" in reaction to out-of-control moderators, thread censorship and member bans, 7/31/07.
Your cure is worse than the disease.
Remember, no one HAS to contribute here.

weaselnoze

haha i LOVE it when people try to describe sounds they hear  :laugh:

http://weaselnoze.matrixdancer.com/

RIP RICH! We'll miss you buddy!

makenzie71

This is valves.  I know what you're hearing...I have it on my TL.

JoChan23

ok, if it is the valves.. is that bad.. besides annoying?
i can live with the sound, but not if it is causing damage

-Jordan

makenzie71

damaging?  not really.  Serious hinderence to performance?  Wear accellerator?  Potentially dangerous?  Bad idea to keeo?  Yeah.

A good dlr will be able to do a valve check and adjust for under $400.  The one I'm htting up for my TL claims $300 + cost of shims, or $150 if I just take them the motor.  I'd suggest having it checked.

Mandres

Quote from: makenzie71 on March 16, 2006, 05:47:54 PM
A good dlr will be able to do a valve check and adjust for under $400. 

Wow, screw that.  It's like a 45 minute job if you have everything you need close at hand.  Download the video that Kerry made (it's floating around somewhere, do a search) and follow along.  You'll need a dial caliper, metric feeler gauge, and a tool to depress the shim bucket (about $30 online). 

pantablo

Quote from: makenzie71 on March 16, 2006, 05:47:54 PM
or $150 if I just take them the motor.

I just want to highlight this one more time....
Pablo-
http://pantablo500.tripod.com/
www.pma-architect.com


Quote from: makenzie71 on August 21, 2006, 09:47:40 PM...not like normal sex, either...like sex with chicks.

weaselnoze

Quote from: pantablo on March 16, 2006, 07:51:27 PM
Quote from: makenzie71 on March 16, 2006, 05:47:54 PM
or $150 if I just take them the motor.

I just want to highlight this one more time....

lol seriously. but for mak thats no big deal. he lives for that shaZam!  :laugh:

http://weaselnoze.matrixdancer.com/

RIP RICH! We'll miss you buddy!

makenzie71

What?  You can drop the motor in like 30 minutes...lol.  I'm doing that with my TL for reason to strip that stupid paint off my frame.

(...and I despise dealing with valve shims myself...)

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