Question about 2004 Honda CRF 450 R

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My bike is missind bad, only at free reving, or when you are cruising along a steady speed

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Usually that suggests that the jet needle is to lean or the valves are to tight or leaking. Usually the intake valve. Check the clearance.

Posted on Aug 07, 2010

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Posted on Jan 02, 2017

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I have a 07 grizzly 700 4x4,when cruising at a steady speed you feel the bike surge,the faster you go the faster it surges,what could cause this?


Surging is usually at the throttles and idle air control motor. Cleaning them usually takes care of this problem. I haven't worked on bikes since the 80's. Surging back then was always dirty carbs. I am assuming that the new bikes are fuel injected and have an IAC motor.

Jul 30, 2016 | Cars & Trucks

1 Answer

Bike surges at all speeds, not sure if its a fuel issus or a clutch issue


Surging is usually a fuel problem. To prove it, put the bike in one gear lower than the top gear. You didn't say what year or model bike you have. If it's a five speed, put the transmission in fourth gear. Do a full throttle roll-on acceleration with the transmission in that gear on a long uphill grade. If the engine RPM's climbs suddenly and drastically without the speed of the bike doing the same, it's a clutch slipping problem. More than likely, you are feeling the surge due to a lean fuel air mixture. This makes it very difficult to maintain a steady cruising speed in all gears.

Good Luck
Steve

Sep 13, 2011 | Harley Davidson FLHR-FLHRI Road king...

1 Answer

IDLE ENGINE SPEED RACING WHEN STOPPED


The idle speed is controlled via a servo motor and the engine management computer. It will idle fast when the engine is cold and first started.

If the idle speed is much higher than 1000RPM when the engine is warm, I would check for sticking throttle cables especially if you have added bar backs or bar risers. Check the throttle twist grip to make sure it is free and snaps back when released. These sometimes get sticky especially if the bike was dropped or dirt has accumulated under the throttle tube. Usually a high idle on a K1200RS is caused by some mechanical problem with the throttle or cruise control (if your bike has cruise)

Hope this helps

Aug 25, 2010 | 2005 BMW K 1200 RS

1 Answer

2008 Suzuki GSX-R 600 surging


Hi, Blakie20 and the usual suspects are:
1. Extremely lean fuel mixture.
2. Dirt, rust, water, or ethanol sludge in the fuel system.
3. Sticky throttle cables.
4. Multiple carburetors not in synchronization.
5. TPS sensor out of adjustment or faulty.
6. Wrong spark plugs for the type of service.
7. Throttle bodies not in synchronization (FI)
8. Faulty O2 sensor.
9. Clogged, stuck, or faulty IAC valve.
10. Aftermarket components not compatible with ECM.
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.
http://www.gixxer.com/forums/137-08-10-gsx-r600-750/197953-help-2008-gsxr600-surging-@-steady-speed.html
Surging at constant throttle
Suzuki GSX R600 Manual
OEM parts for Suzuki
Suzuki GSX R600 2003 Owner Manual

May 28, 2017 | 2008 Suzuki GSX-R 600

2 Answers

When driving, Speedodometer drops to zero.


I thought this year of Santa Fe had a 100k Warranty? If so, take it to the dealer and get it fixed. Even if it's not under warranty, take it and get it fixed! This is dangerous to use with the cruise control!! Do not use the Cruise Control until you get this fixed. It sounds like a bad speedomoter sensor, and that is confusing the Cruise Control. Either your speedometer is going to stop working altogether, or your going to RAM someone from behind going at a DANGEROUS rate of speed. Take it and get it fixed, and do not use the Cruise Control until it is fixed.

Jul 19, 2009 | 2003 Hyundai Santa Fe

1 Answer

Surging


i think your issue is while at a steady cruising speed one of the carbs is not allowing steady fuel flow. so when you nail it, you cant hear or feel it. or maybe you can just a bit right when you hit it. one thing you can do short of taking the carbs off and cleaning them is, take the air filter apart and start the bike rev it up high and with a large clean rag shove it into the back of carbs and cut off ALL AIR FLOW.. at the same time, twist throttle wide open. doing this will flood out and kill the engine. but at the same time, it will sometimes clean any debris or grime out of the jets. try it a couple times.. hope this helps.

May 31, 2009 | 1993 Suzuki GSX-R 750 WP

1 Answer

Cruise control can not set speed but cruise ctl light is on


Sometimes the plastic cog on the side of the throttle body (TB) breaks. This cog is "pulled" by the cruise control accuator's cable.
To check, simply look on the side of the TB and check to see of the cable end has broken free. (The mechanisim is much like the brake cable on a bike)

Apr 16, 2009 | 2000 Acura TL

1 Answer

What's a comfortable cruising rev range?


for cruising get your bike up to +- 4500 / 5500 rpm and it wil ride super easy

Nov 10, 2008 | Ducati Monster 620 Motorcycles

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