Question about 2007 Yamaha YZF-R1

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Poor idle bike wont ilde when cold, will only idle when temp gets around 70 oC

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  • aussie lad Mar 18, 2009

    i also have '07 r1, akrapovic exhaust and under 2,000rpm, its rough an will not start without throttle, i have replaced spark plugs an made no differance

  • themotorcycl Apr 20, 2009

    my 07 r1 will not idle when cold, i have to apply throttle to get it to run, then once warm it will idle fine

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Hi mate put the idle screw in a bit

Posted on Jul 08, 2009


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1 Answer

Many on idle how many on low ilde


Bikes usualy idle (tick over) at 1000 - 1500 RPM, depending on how many cylinders & if its a 2 or 4 stroke, what bike is it for ?

Oct 15, 2014 | Motorcycles

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2001 Electraglide w/ 47,986 miles. All was well, went on a 190 mile ride and bike stalled once at a light. All was well for the ride around town afterwards. Return ride home 5 hours later and about...


There could be a number of things going on here. First check your oil level if it is lower than normal you could have a sumping issue going on here. Next is to pull your air filter off so you can see your injectors, turn the ignition on and off 5 or 6 times to make sure your injectors are not leaking. While you have the air filter off look inside the throttle body with the trottle plate open and see if the IAC pintle is moving in and out when you turn the ignition on and off.This only controls cold ilde. If all is good you will have to reset the TPS.

Aug 18, 2013 | 2001 Harley Davidson FLHTCUI Electra Glide...

2 Answers

2001 gsxr 750 wont hold a steady idle very jerky **** runs grate.


check for intake leaks generally this is the first thing you check for a erratic idle

Oct 15, 2012 | 2001 Suzuki GSX-R 750

1 Answer

My hyosung GT125R has a tough time idling when the weather is cold and/or wet. I have to keep it alive by twisting the throttle every so often while stopped. However, the bike runs and idles great in warm...


Carbrator idle jet in float bowl is getting plugged take float off and clean ilde jet theres two jets in there unscrew the idle jet clean it with carb cleaner When done put some sea foam in gas tank it is a cleaner get it at auto parts store MOPAR KENNY

May 21, 2011 | 2007 Hyosung GT125R Supersport

1 Answer

Idle speed around 2000 rpm, 1st ride of the year , had this issue. I followed my Manual info and adjusted Cold and Hot adjustments. When restarted the idle was close to normal, but after a minute or 2...


Adjust the idle speed ONLY when the engine is at full operating temp. It should be idled at about 1000 RPM. It will probably be too low when cold and you may have to use the throttle control to keep the engine running until it gets completely warmed up. On the carburetor equipped engines, you cannot adjust the bike where it will idle cold and not be too high when it gets hot. The only way you can get this is with fuel injected models.

Good Luck
Steve

May 02, 2011 | 2000 Harley Davidson FLHT Electra Glide...

1 Answer

My bike has just starting cool around 153 degrees at highway speed sometimes less if its cold outside. I'm thinking thermostat is stuck fully open. V tech system is only supposed to work when temp reaches...


You are most likely right about the thermostat. the ST 1300 had that problem and it is always the thermostat. this also effects the fuel mileage. i would go ahead and replace it and see if that fixes your problems. Brian

Jan 29, 2011 | 2006 Honda VFR 800 ABS

1 Answer

My 2000 suzuki katana has a high idle when its hot


This is a fairly common problem with performance bikes. The problem comes from your thermostat. The thermostat is designed to open and close at a certain temp. What I suspect is happening is that your thermostat is opening too early for the bike to get to operating temp, hence the long time to warm up. Once you open up the bike warms up and the oil viscosity thins to operating temp and the engine revs more freely. Now your idle screws are set for a "cold" bike and revs high.

The other side is that the oil you are using may not be designed for your bike. Often people put performance synthetic oils in their bikes to perform better, but the production bikes are designed for thicker oils. Oils like 5w40 will be very thin allowing your bike to rev faster due to thinner oil, but you are causing extra wear on the parts due to less oil barrier.

First I suggest make sure you have the correct spec oil for you bike, then check that you have the correct thermostat in your cooling system. A performance bikes usual operating temp is between 95-105 deg C. This means your thermostat should only open at about 88deg C to start the regulation process.

Sep 17, 2009 | 1993 Suzuki GSX 600 F (Katana)

1 Answer

!991 FZR 1000 Idle normal when cool, High when hot(2-3,000)


Sounds like you need the carbs cleaned and synchronized, then the idle set once the bike warms up. May also have a cracked intake boot, or a vacuum line off.

Jun 09, 2009 | 1991 Yamaha FZR 1000

1 Answer

Engine revving on my V-strom 1000


when the bike is at normal running temp, set your idle at approx 900rpm. then rev it up and see if it returns to an idle. note: i had a suzuki that did the same thing. very cold blooded engine. when cold, had to use choke until it warmed up enough to idle. Idle should be adjusted at normal running temp.

Jun 07, 2009 | 2008 Suzuki DL 1000 V-Strom GT

1 Answer

2006 yamaha straoliner, engine code 37 comes up


Displayed Fault Codes For The ‘Liners
  • 12 - Crankshaft Position Sensor <<Dead Engine>>
  • 13 - Cyl #1 Intake Air Pressure sensor (open or shorted)
  • 14 - Cyl #1 Intake Air Pressure Sensor (hose system) - Clogged or detached
  • 15 - Throttle Position Sensor (open or shorted)
  • 17 - EXUP Servo Motor Ckt. (open or shorted)
  • 18 - EXUP Motor Locked Up – Frozen
  • 19 - Blue/Black ECU wire broken or disconnected <<Dead Engine>>
  • 22 - Air Temp Sensor (in headlight) (open or shorted)
  • 24 - O2 Sensor – No Normal Signal Received
  • 25 - Cyl #2 Intake Air Pressure Sensor (open or shorted)
  • 26 - Cyl #2 Intake Air Pressure Sensor (hose system) - Clogged or detached
  • 28 - Engine Temp. Sensor (open or shorted)
  • 30 - Lean Angle Sensor Latched Up (Bike Laid Down) <<Dead Engine>>
  • 33 - Cyl #1 L. or R. Faulty Ignition Coil << May Run >>
  • 34 - Cyl #2 L. or R. Faulty Ignition Coil << May Run >>
  • 35 - Cyl #1 L. or R. Faulty Ignition coil << May Run >>
  • 36 - Cyl #2 L. or R. Faulty Ignition Coil << May Run >>
  • 37 - ESC Valve Stuck Open (Engine Speed Control / High Idle Speed)
  • 41 - Lean Angle Sensor (open or shorted) <<Dead Engine>>
  • 42 - Speed Sensor – No Normal Signals Received OR Neutral Switch (open or shorted)
  • 43 - Fuel System Voltage (ECU Unable to Monitor Batt. Voltage)
  • 44 - Error In Writing Amount Of CO Adjustment To EEPROM
  • 46 - Voltage To F.I. System Not Normal
  • 50 - ECU Internal Failure – Memory Check <<Dead Engine>>
  • 70 - Engine Idling Stop – After 20 Minutes Of Idling

Apr 08, 2009 | 2006 Yamaha Stratoliner S

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