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04 vt1100 cuts out at 3/4 to full throttle has open pipes and a jet kit

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  • Motorcycles Master
  • 1,190 Answers

Fuel or air starvation ! free flow filter and a bigger bore fuel tap and pipe to feed faster will help ! open pipes done give any back pressure , you could use really short baffles in the pipes as i had this problem on a gs550 suzuki with 4 drag pipes on it !

Posted on Mar 19, 2014

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Posted on Jan 02, 2017

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  • 48 Answers

SOURCE: stage 1 jets didnt work

pull the breather cover off and see how it does it sounds like you need more air going in when you go up on jet size it will change the air fuel ratio thus making it lack power or just run absolutely funny

Posted on Jan 14, 2009

  • 89 Answers

SOURCE: honda xr600r cutting out at 3/4 & full throttle

when you put on a new air filter you have to rejet the carb in order for the air/fuel mixture to be correct,because with a aftermarket air filter it is allowing more air in than before and not enough fuel. as the piston speeds up upon exceleration the air is not getting burnt off into exhaust because you do not have enough fuel in the mix

Posted on Jun 03, 2009

  • 88 Answers

SOURCE: 2005 suzuki bouevard s83 1400

try looking for the idle screw in the following place...
standing facing the side of the bike that has the clutch on it.
look in the area between the front cylinder and the rear cylinder, close to the tank.
the screw is black and can be difficult to see.
hope this helps.

Posted on Nov 21, 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

nedkelly900
  • 345 Answers

SOURCE: my 04' vt1100 is acting like the fuel filter is

you should be able to drain your carburettas without removing them. look for a drain screw on the bottom of the carby bowel. If it is fuel injected, then you may have to replace the injectors.

Posted on May 13, 2010

Testimonial: "I found the fuel filter and blew it out with an airhose woks like a charm now. Thanks for all the help. "

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I have a 2005 trx450r with a full dgaccelerator pipe stge 2 hc, bcs performance valves kandn filter pre charger and air box lid cut like the hrc kits. it has a 50 pilot jet with a 160 main ive tried 150...


Try covering up the holes in the airbox (where it has been cut away) with tape. If it runs better, you know the jet size is too small. Sometimes the jet kits don't go big enough for a modified airbox.

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1 Answer

2001 Honda VT 1100 C2 Shadow Sabre Running Lean


I have a 2007 Honda Shadow Sabre VT1100 and I also put after market pipes on it from Vance and Hines. I also have to keep it choked when first starting and sometimes even hold the throttle a bit while it warms up. The bike has two carburetors and the best solution I have found by lots of asking around of mechanics and bike folk is to get it rejetted through Dyno Jet. It is meant for bikes with after market exhausts and much less back pressure from the lack of those stiffling baffles in the stock pipes. I have also noticed the power loss in the middle torque range and backfiring because of the bike running in a lean condition. The Dyno Jet website is a good place to find the correct set and corresponding part number, but then I suggest finding a cheap place online so you avoid retail price :) Hope this helps. Oh, and don't forget to buy two kits...we have two carburators in our bikes.

Mar 09, 2012 | 2001 Honda VT 1100 C2 Shadow Sabre

1 Answer

I have a 2004 VTX 1300 C. When I bought it, it had Bub Jughugger exhaust installed on it. When I pulled the plugs, I noticed they were sooty, telling me it's a rich condition. I ordered and installed a...


Yes the air fuel mixture screw should be open at least 3 full turns
Especially if you use the big jet and lowered the needle clip position to the fouth from the top groove as instructed with the clip

i've installed several jet kits, and usually its 2 or 2 1/2 or 3 turns out on the air/fuel mixture screw.
Your not missing anything.

Best Regards
Big Al

Jul 25, 2011 | 2004 Honda VTX 1300

1 Answer

2001 Honda Shadow 1100 Sabre is running hot with new jet kit and exhaust system


Hi, Anonymous "ABSOLUTELY" not being jetted "PROPERLY" if you have changed your fuel delivery system, air filter size or flow rate, mufflers or exhaust system or a significant change in altitude your carburetors need re-tuning and if your fuel system (gas tank, filters, fuel valve and carburetor) is contaminated with ethanol sludge, varnish, rust, dirt, water etc. or your bike has been sitting for months or years without running these components must be "PROPERLY" cleaned and reassembled "CORRECTLY" before any adjustments can be made. Tuning your carburetor is fairly simple once you understand the basic principals. You engine is a simple airbox sucking air in and blowing it out, it is finely tuned at the factory for maximum performance once you upset that delicate balance by changing air filters, camshafts or exhaust systems your performance may go down the and the engine may run poorly, you need to compensate the air-fuel mixture in the carburetor in order for the engine to run smoothly and at peak performance. If you are running multi carburetors you need to sync them first and make sure your air cleaner element is clean and dry for paper elements or lightly oiled for foam and meshed elements and properly installed. Here is how and where you compensate trouble: "TIP" if your engine "BOGS" your not getting enough fuel.
1. Closed to 1/8 throttle is managed by the air screw and pilot/slow jet.
2. 1/8 to 1/4 throttle is managed by the air-screw, pilot/slow jet, and throttle slide.
3. 1/4 to 1/2 throttle is managed by the throttle slide and jet needle.
4. 1/2 to 3/4 throttle is managed by the jet needle, needle jet, main jet, and air jet.
5. 3/4 to wide open throttle is managed by the main jet and air jet.
6. Wide open throttle is managed by the main jet.
If you are running lean, spark plug electrode color is white, engine runs hot and feels like it is starving for fuel you need to go up on the jet size or move the c-clip down one notch. If you are running rich, spark plug color is black or dark gray, the engine runs cool, and bogs down when accelerating you need to go down on jet size or move the c-clip up one notch. When your carburetor is properly tuned for maximum performance your spark plug electrode will be a light tan color like coffee with cream. If you prefer fuel economy over performance you can go down on main jet sizes until a satisfactory level of lower performance is acceptable versus MPH, your spark plug color will be whiter and your engine will run warmer. These tuning adjustments will only make improvements if your intake and exhaust system have no air leaks or sealing issues and the entire electrical system is in proper working order and you have no mechanical issues.
For more information about your issue and valuable "FREE" downloads that you will need please click on the blue links below. Good luck and have a wonderful day.
Honda Shadow 1100 Carburetor Jetting PegMonkey
Carburator Theory and Tuning
Honda shadow vt1100 Owners Workshop Manual
http://www.partsfish.com/page/oem-parts-for-honda
Honda VT1100C2 Owner Manual Page 3

May 21, 2010 | 2001 Honda VT 1100 C2 Shadow Sabre

1 Answer

It cuts out at full throttle.


Check the muffler and air cleaner for plugging. Try turning the H jet needle CCW about 1/2 to 3/4 turn which should make it 4-stroke at full throttle. Proper setting is for the engine to 4-stroke at full throttle, but immediately 2-stroke when cutting. (CW turning of H makes it leaner) See a Poulan servicing dealer for a rebuild kit. Be sure to check the fuel filter in the tank for plugging. Hope this helps!

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3 Answers

My Sabre has Cobra pipes and a Jet Kit, but I can not get the bike to stop popping when I let off the throttle-Any Help?


its likley to be running a bit to week,, try opening up the fule mix screw just a bit to let in more fule

Apr 03, 2010 | 2001 Honda VT 1100 C2 Shadow Sabre

1 Answer

2002 WR 426 has a dead spot on the throttle


Hi, Matthew_stir and the usual suspects are:
1. Installation of a different camshaft.
2. Different exhaust system or "STRAIGHT PIPES"
3. Faulty advance curve.
4. Multiple carburetors not in sync.
5. Improperly installed jet kit or wrong kit.
6. Carburetor internal malfunction.
7. Fuel mixture too rich.
8. Fuel mixture too lean.
9. Extremely dirty air filter.
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1. Did you clog your airfilter with gas or anything else when you rolled it?
2. Did you damage the petcock or fuel control?
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