Glowing exhaust pipe. - SV650.org

03-03-10, 02:40 PM

hey i just got a sv650s 2001 and when i started it up the other day i had the choke on to warm it up and went in side to grab my helmet when i came back my front header was glowing red what the any help plz!!!!!!!!!

03-03-10, 06:38 PM

How long were you inside for? If you were inside getting your helmet for a long time, it's probably just because you've got the engine running at about 3krpm with zero airflow over the headers. Otherwise you've got a lean condition on your engine, and run the risk of burning valves. Bad times.

ophic · 03-03-10, 06:47 PM

Bikes are known to do this in the dark at idle with the choke on.

03-03-10, 08:59 PM

Quote:

Originally Posted by ophic

Bikes are known to do this in the dark at idle with the choke on.

Do they get hotter when it's dark?

03-03-10, 09:15 PM

Quote:

Originally Posted by -Ralph-

Do they get hotter when it's dark?

Seen my curvy do this, just presumed its cos it wasn't getting cooled from the air hitting it??

ophic · 03-03-10, 09:35 PM

Quote:

Originally Posted by -Ralph-

Do they get hotter when it's dark?

Of course. Otherwise they'd glow during the day too

04-03-10, 03:15 AM

alright i think it is the carbs i called the old man and he said the bike sat all year he had nut run it at all i order the carb kits today so going to try it out thanks

04-03-10, 03:17 AM

oh YA IT WAS DAY TIME WHEN I SEEENN IT

04-03-10, 07:53 AM

How long was the engine left idling for? I've had mine happily idling for a good 10 minutes (when I was checking the fan ages ago) and didnt notice the front pipe was glowing hot.

Generally, if its getting hot quick you are either: holding the throttle open at standstill, you've got the choke on so it son a fast idle, or - like neeja said - the engine is running lean (more heat is produced).

What makes oyu think there is a sufficient problem with the carbs that you need to refurbish it with a kit? Had you tried taking them off and cleaning them, then getting it all set up correctly? Its a cheaper option (if you have the capacity to do it for yourself)

In saying that, nothing wrong with preventitive replacing of things if stuff is old

Spanner Man · 04-03-10, 08:02 AM

Good morning all.

Tight valve clearances can cause exhausts to get excessively hot. When were they last checked?

Cheers.

03-03-10, 02:40 PM	#1
brettsv650 Guest Posts: n/a	Glowing exhaust pipe. hey i just got a sv650s 2001 and when i started it up the other day i had the choke on to warm it up and went in side to grab my helmet when i came back my front header was glowing red what the any help plz!!!!!!!!!

03-03-10, 06:38 PM	#2
Neeja Guest Posts: n/a	Re: Glowing exhaust pipe. How long were you inside for? If you were inside getting your helmet for a long time, it's probably just because you've got the engine running at about 3krpm with zero airflow over the headers. Otherwise you've got a lean condition on your engine, and run the risk of burning valves. Bad times.

03-03-10, 06:47 PM	#3
ophic Member Mega Poster Join Date: Jan 2004 Location: Whyteleafe Posts: 3,395	Re: Glowing exhaust pipe. Bikes are known to do this in the dark at idle with the choke on. __________________ Silver SV650SK3, Fuel exhaust

04-03-10, 03:15 AM	#7
brettsv650 Guest Posts: n/a	Re: Glowing exhaust pipe. alright i think it is the carbs i called the old man and he said the bike sat all year he had nut run it at all i order the carb kits today so going to try it out thanks

04-03-10, 03:17 AM	#8
brettsv650 Guest Posts: n/a	Re: Glowing exhaust pipe. oh YA IT WAS DAY TIME WHEN I SEEENN IT

04-03-10, 07:53 AM	#9
Alpinestarhero Guest Posts: n/a	Re: Glowing exhaust pipe. How long was the engine left idling for? I've had mine happily idling for a good 10 minutes (when I was checking the fan ages ago) and didnt notice the front pipe was glowing hot. Generally, if its getting hot quick you are either: holding the throttle open at standstill, you've got the choke on so it son a fast idle, or - like neeja said - the engine is running lean (more heat is produced). What makes oyu think there is a sufficient problem with the carbs that you need to refurbish it with a kit? Had you tried taking them off and cleaning them, then getting it all set up correctly? Its a cheaper option (if you have the capacity to do it for yourself) In saying that, nothing wrong with preventitive replacing of things if stuff is old

04-03-10, 08:02 AM	#10
Spanner Man Member Mega Poster Join Date: May 2005 Location: Sunbury Middlesex Posts: 1,396	Re: Glowing exhaust pipe. Good morning all. Tight valve clearances can cause exhausts to get excessively hot. When were they last checked? Cheers. __________________ Spanner Man http://stewarts-motorcycles.co.uk/default.html

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