Question about Honda VT 1100 C Shadow Motorcycles

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My VT1100, When first started my pipes get red hot, Why?

The pipes near the heads when first started, turn red. This is when I use the choke to start. After about 5 min. the red goes away.

Posted by Anonymous on

1 Answer

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  • Honda Expert
  • 286 Answers

Too hot means too lean (lean in fuel). If you have custom pipes you must sync the carbs.

Posted on Nov 06, 2016

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Posted on Jan 02, 2017

polarcycle
  • 1392 Answers

SOURCE: will start and run but needs loads more choke than

You need to clean your carbs. Something is gummed up inside. Most likely pilot jet, but need to clean and synchronize them.

Posted on Mar 07, 2009

thunderalley
  • 432 Answers

SOURCE: 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.

Posted on Oct 01, 2009

  • 677 Answers

SOURCE: 04 yz250f pipe at motor glowing red hot

Any reason you had to change the jetting??New pipe,Intakes.?But,even though you may have it a bit rich on idle the pipes WILL get very hot,very quickly without some sort of air flow over the front of the motor and radiator.At the very least,have a strong fan blowing directly on the front of the motor if you are going to let the bike run and you are not riding it.I have seen the white plastics in front of the radiator distort from the radiant heat.Don't idle them for in more then 20 seconds.It can do heaps of damage.Ride the bike and see if its running well.When you stop,turn it off.All the yz and wrf will get very hot at idle.Hope this helps

Posted on Jan 17, 2010

  • 31 Answers

SOURCE: 2006 TTR250. Bike will not idle unless choke is

two things you have to oberved. Choke is only applicable if you experience hard starting in the morning,If yes then use choke for a while till you got your motor idling stage.the glowing red hot indicates that your engine is flaming hot, this means your choke is steadily on.( never stay your choke steadily on.).Try to clean your carb , carb cleaner will do. even without dismantling your carb from the engine manifold.Rev your throttle and spray through the air intake, you'll notice a foul sound bcoz the cleaner is mixing with your gas,it's fine.also you'll notice a black smoke while doing a full rev. it's also fine , thats the carbon that need to push out from your carb. take it from there my friend ...let me know the result.observed your bike

Posted on May 26, 2010

  • 3567 Answers

SOURCE: will only start and run with choke on. have to

The pilot jet circuit is plugged up. Clean the carb. Remove the vacuum valve and keep it away from any spray. Remove the choke, air and throttle screws then spray into every hole you can find. The spray should go in one hole and come out another hole. Pay special attention to the jets. Important > count the number of turns inward to lightly seat the throttle and air screws. This is the number of turns you will need to open the screws after lightly seating them during re-assembly. Please rate my answer. Thanks.

bcc240c.gif

Posted on Aug 12, 2010

Testimonial: "Thanks for the troubleshooting! I wasn't sure where to begin a fix (valve timing or carb. cleaning). Thanks for the cleaning advice. "

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Pipe is getting red hot


They will on start up, especially with the choke on, because it gives more fuel. If it does it with the ckoke off, you may be too rich on the jetting.

Jan 27, 2011 | 2004 Yamaha YZ 250 F

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My header pipe on my 2003 yz250f gets cherry red hot when i start it up real quick do i need to change air filter, spark plug, valve adjustment, or get the carb rejetted thanks


If you have changed the jets you may have to try a different size. I suspect that the pipe is getting red hot from to much fuel . I think your problem is the choke. It may be sticking, have a bad plunger, or may not be closing all the way. Start your inspection there.

Dec 13, 2010 | 2004 Yamaha YZ 250 F

1 Answer

Will only start and run with choke on. have to keep choke on even after thoughly warm and exaust pipe begins to turn red hot. engine wants to die


The pilot jet circuit is plugged up. Clean the carb. Remove the vacuum valve and keep it away from any spray. Remove the choke, air and throttle screws then spray into every hole you can find. The spray should go in one hole and come out another hole. Pay special attention to the jets. Important > count the number of turns inward to lightly seat the throttle and air screws. This is the number of turns you will need to open the screws after lightly seating them during re-assembly. Please rate my answer. Thanks.

bcc240c.gif

Aug 12, 2010 | 2007 kawasaki KLX 250

1 Answer

2006 TTR250. Bike will not idle unless choke is fully engaged. After a minute or less of this the head pipe (the one that comes right off the block, I don't know if I have the name right) becomes glowing...


two things you have to oberved. Choke is only applicable if you experience hard starting in the morning,If yes then use choke for a while till you got your motor idling stage.the glowing red hot indicates that your engine is flaming hot, this means your choke is steadily on.( never stay your choke steadily on.).Try to clean your carb , carb cleaner will do. even without dismantling your carb from the engine manifold.Rev your throttle and spray through the air intake, you'll notice a foul sound bcoz the cleaner is mixing with your gas,it's fine.also you'll notice a black smoke while doing a full rev. it's also fine , thats the carbon that need to push out from your carb. take it from there my friend ...let me know the result.observed your bike

May 26, 2010 | 2002 Yamaha TT-R 250

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I have a new 07 honda vt1100 that cold starts hard


Check the choke opperation is working correctly ,and that nothing is fouling the chock sliders .Theses bikes don't like too much air in first starting .and rel;y on a near neat fuel supply .it could be a case that the choke is not sutting off air supply enough..If you richen the mixture you could cause to much fuel to enter the engine a wash away your oil lubrication .,causeing the engine to over heat ,and in some cases cause valve burn outs .

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