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I have a Suzuki 1998. 300 king quad the exhaust is getting red hot help

Exhaust pipe is getting red hot only when off idle as soon as it returns to idle it cools down. Help

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 2 Answers

SOURCE: exhaust gets red

could b obstruction in exhaust put hand couple of inches behind exhaust and rev it up should have good amount of exhaus coming out.if it is no obstruction there check timing

Posted on Feb 28, 2009

  • 1 Answer

SOURCE: On Yamaha wr450 dirt bike the exhaust pipe gets

Sounds like you are running waaayyy too lean. Aftermarket intake/air filter/exhaust?

Posted on Apr 19, 2009

czaa
  • 4514 Answers

SOURCE: idles fast exhaust gets red nhot

better ajust choke or turn down idle screw before u burn engine-must have air passin by cylinders--may also be an internal problem with carbs like dirt etc-buy a manual for troubleshootin

Posted on Sep 17, 2009

ollie reece
  • 1167 Answers

SOURCE: Exhaust header pipes getting glowing red hot

the pilot jet is too only make the bike idle so it wouldnt be this is the engine have lots of oil in the engine

Posted on Oct 01, 2009

Testimonial: "I haven't thought of that but I will put a little more oil in it and try it again. Will let you know the results later. Thanks"

  • 1 Answer

SOURCE: YAMAHA TTR 250 cherry red exhaust

I have a TTR-250 2005 that I bought new. Exhaust has slowly been getting hotter/redder over the last couple years. It quit running and idling smoothly just recently. I used some "Sea Foam" gasoline additive and it helped a little. After talking to guys at the Yamaha shop, the problem is most likely too lean a mixture due to deposits on the needle valve or build up in the carb somewhere. The sea foam did help but I'll be taking my carb apart soon to fix it totally (I hope).

Posted on Nov 10, 2009

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1 Answer

My 2005 450 RMZ exhaust pipe glows red at idle. What size jets do I need at 1000' elevation?


Hi, Mark your motorcycle is a high-performance dirt bike designed to run flat out that being said if you are strolling down some scenic trail at a slow speed or letting the bike idle for a few minutes your header pipe will turn cherry red, why you ask? It is not a street bike, it is designed for competition and weight is a major factor all necessary components are of the smallest and lightest design necessary to maintain performance under extreme conditions ie. small radiator and inside frame oil reservoir that doesn't get cooled, the majority of your riding needs to be at high speed. For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
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http://supermoto.by/article/45/Suzuki_Rmz450_Service_Manual_Repair_2009.pdf
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Nov 02, 2016 | 2006 Suzuki RMZ 450

1 Answer

Exhaust glows red hot on dr650 after running on idle for about a minute, spark plugs very black/covered in carbon build up. Shouldnt the exhaust only get that hot running lean? surely then plugs would


If the bike is equipped with any kind of catalytic converter, then the extra raw fuel is burning up in the cat causing the glowing hot exhaust, and all that unburnt fuel in the combustion chamber is fouling the plugs.

Mar 06, 2014 | Suzuki Motorcycles

1 Answer

Red hot exhaust pipe


Hi, Anonymous a YZ is a motocross bike designed to run flat out that being said if you are strolling down some scenic trail at a slow pace or letting the bike idle for a few minutes your header pipe will turn cherry red, why you ask? It is not a street bike, it is designed for competition and weight is a major factor all necessary components are of the smallest and lightest design necessary to maintain performance under extreme conditions ie. small radiator and inside frame oil reservoir that doesn't get cooled, the majority of your riding needs to be at high speed. For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
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YAMAHA YZ450F Owner Service Manual
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http://www.yamaha-motor.com/assets/service/manuals/2004/lit-11626-17-11_784.pdf

Sep 01, 2013 | Yamaha YZ 450 F Motorcycles

2 Answers

On my pipes one side is hot and the other is cold


Check the pipe right where they come out of the heads. It depends on what type of exhaust system you have on your Road King. If the stock exhaust is on the bike, the rear cylinder exhaust is directed to both mufflers. With the exhaust from the front and part of the exhaust from the rear cylinders going to the right side muffler, it gets more exhaust than the left side and runs hotter. Like I said, check the temp of the exhaust pipes at the cylinder heads. If one of them is cold, that cylinder is not firing. As long as both of the pipes are hot there, you're fine. Just ride the bike and have fun.

Ride Safe.
Stevev

Apr 09, 2011 | 2000 Harley Davidson FLHR-FLHRI Road king

3 Answers

What tempature should my rmz 450 run at? Also why does my header pipe get red hot after running for only five min. at idle?


The cooling system on the RM-Z450 was designed for motocross and only works efficiently with air flowing through the radiator. You should not sit at idle for more than a minute or two if at all possible. The extreme high output of this engine causes extremely high exhaust output temperature. The pipe temps can reach 600-800 degrees F plus all the way back to the silencer. This is normal on all modern racing 4-strokes. There are a lot of aftermarket products available that help increase the cooling system efficiency. There are also several products that help insulate critical areas from engine and exhaust heat including shields for fuel tanks/lines, the carb/throttle body, rear shock, and plastic body work.

Feb 18, 2010 | 2005 Suzuki RM-Z 450

1 Answer

Front pipe gets red hot as soon as the bike stars up


Muffler or baffle obstructed or something in the exhaust is stopping the flow.dom not run this engine it will burn-up.You may be using too high an octane fuel also.

Oct 01, 2009 | 2005 Suzuki RM-Z 450

3 Answers

YAMAHA TTR 250 cherry red exhaust


Because the timing is off. If the timing is too advanced, or too retarded, it will make your exhaust pipe cherry red.

Jun 12, 2009 | 2002 Yamaha TT-R 250

1 Answer

Very slow to start huskey te 250 on a 53 plate


The engine is water cooled. The exhaust pipe is air cooled. Sitting idle and revving the engine is likely to exceed the cooling capacity of the motionless air. Air needs to flow over the pipe to cool it. If the pipe is glowing red while riding then consider re-jetting the carb. Too lean a fuel/air mixture burns hotter.
Please rate this solution. Thanks!

Mar 19, 2009 | 2003 Husqvarna TE 250

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