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2003 ltz 400 acts like its hitting a rev limiter at quarter throttle any ideas

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Sounds like rev limiter at half throttle ttr90

I have just worked on a 2003 ttr90 for a friend and had a similar problem. when I got the bike it had set up for a few years so the fuel system was wrecked. after a thorough cleaning the bike would run fine up to about 3500rpm. then it would cut out much like a rev limiter. it was very consistant and I read some forums but none said anything about a rev limiter. I had also installed a carb kit. I decided to remove the carb and try again. I figured it was lacking fuel in the upper rpms so I raised the throttle cylinder needle as high as it would go. there are 3 notches to set it. the factory setting was in the middle. after I raised the needle it ran like new and turned through the rpm range perfectly. hope this helps someone.

Sep 28, 2012 | 2006 Yamaha TTR90

1 Answer

Hello, i have a stihl ts400 and i just rebuilt the topend(crank,piston,cyl,all bearings and seals.Fires up easy, idles fine,revs fine, but when you hold the throttle down it doesent want to hit rev limiter...

There is not an actual rev limiter. The top end is controlled by the carb. You actually want it to sound a bit rich at full throttle so that it has enough fuel when cutting under a load. What causes me some alarm is the revving up part. If it revs too fast that is a lean condition and can quickly ruin the piston and cylinder much like running straight gas. A torn intake boot can cause this. The high speed spec for the TS400 is 9,600 rpm + OR - 500 RPM. Your saw may not have a needle to adjust the high side as some have only the low speed adjuster. Also when you disassemble and clean the carb always use a new kit with the gaskets and diaphragm. Any Stihl dealer can furnish the kits and they aren't terribly expensive. Often between $10-20.

Jun 26, 2012 | Saws

1 Answer

When throttling up on my honda 230f as it is revving up it acts like it is hitting a rev limiter

Fuel delivery problem - maybe a restriction, partial clog. screen, filter, debris in tank, lines, carb. gum, corrosion, dirt

Apr 27, 2012 | 2004 Honda CRF 230 F

1 Answer

I have a 2003 Suzuki ltz 400 quad sport, when i rev the motor or ride it , it seems like its hitting the rev limiter?pops and i removed the hotcam, same problem, cdi ,stator ,coil,i just don't have...

the stator wouldn't make it cut out.. do you know what rpm it's cutting out at. hey feel free to email me and i'll walk you through it and try to help you out.i'm pretty familiar with things of the nature... might even be a smaller fuel jet restricting you or a re stricter in the exhaust pipe or muffler or between the carb and head. give a shout and i'll try to help

Apr 25, 2010 | 2001 Suzuki DR-Z 400 SE

1 Answer

2003 rio 1.3,car stuttering at take off,at full

If this an automatic replace your throttle cable located in the same place with that of the accelerator cable. Keep me posted.

Nov 29, 2009 | 2003 Kia Rio

1 Answer

Have a 2003 taurus with 3.o liter v6. At around 4200 rpm the engine starts to miss like it is a rev limiter. Am I right or is this another problem. Is smooth all the way to 4200 and then misses  ...

Yes it will act like it has a miss if the car is in park and you rev the car up, but if you are going down the road and hit 4200 rpm's it should not. Try checking the computer and see if it has any codes pending or hard codes in it.

Sep 25, 2009 | 2003 Ford Taurus

2 Answers

Wont rev past 3/8 throttle!! I NEED HELP.

could be. I had a 91 kx 250 that was acting crazy and it turned out to be the stator and cdi box. you can check the stator easly with a omes meter but the cdi box is nearly impossible to check. you pretty much have to buy a new one and try it. also check to see if your power valve is working.

Jan 19, 2009 | 2004 Yamaha YZ 250 F

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