Question about 2002 Yamaha YZ 426 F

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Is there a drain plug for the water pump on a 2000 yz 426f. I want to drain the system, and change it to engine ice. I don't know if there is a plug or if you have to take the pump off

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I have a tzr 125 belgado the high beam warning light is on even when i have low beam on could the fault be in the mag or the wiring,thanks dave

Posted on Jan 01, 2009

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2001 YZ 426F IS RUNNING HOT AND MISSES AFTER CHANGING THE STATOR


Hi, Anonymous and the usual suspects are:
1. Engine oil level and SAE weight are too low or not circulating.
2. Insufficient or blocked air flow over the engine.
3. Heavy combustion chamber carbon deposits.
4. Ignition timing retarded due to faulty MAP, CKP, or CMP sensor.
5. Carburetor jetted too lean.
6. Leaking intake or exhaust valve.
7. Water coolant old or low change every two years.
8. Water pump failure.
9. Radiator clogged, cap loose or malfunctioning.
10. Radiator fans not coming on.
11. Clutch slipping, brakes dragging, heavy load, towing a trailer etc.
12. Idling too long without moving.
13. For constant hot weather temperatures, mountain, or desert riding conditions consider adding an oil cooler and or cylinder head cooler.
For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have nice a day.
Help 01 YZ426 overheats at idle YZ 400 426 450
PLEASE HELP Having engine problems with wr stator on my yz 426 YZ 400 426...
Yamaha YZ426F LC Owner Service Manual
OEM parts for Yamaha
http://mybikemanuals.com/yamaha/yamaha-yz-owners-manuals

Jul 07, 2014 | 2001 Yamaha YZ 426 F

2 Answers

2000 yz 426f should fuel run through my carb when my bowl nut is out?


Hi, Anonymous if your fuel valve is open then the answer is yes for more information about your question and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
Yamaha YZ426F Owner Service Manual
OEM parts for Yamaha
Yamaha YZ450F Owner Manual Page 3
What are the top 5 mods to get for yz426f YZ 400 426 450
Yamaha YZ 426 FN 01

Jun 21, 2014 | Yamaha YZ 426 F Motorcycles

1 Answer

I have a 2002 Yamaha YZ 426f that is incredibly hard to start.


Hi, Jacob and the usual suspects are:
1. Spark plugs in bad condition or have an improper gap or are partially fouled.
2. Spark plug cables in bad condition.
3. Battery damaged or nearly discharged, should have 12.5 volts.
4. Check battery terminals for damage or corrosion, check the battery cables at "BOTH" ends for loose, corroded, or broken connectors, "INSIDE" and outside the cable harness, perform connector wiggle test and check cables with an ohmmeter if necessary.
5. Throttle controls not adjusted correctly.
6. Water or dirt in the fuel system.
7. Water or dirt in the carburetor.
8. Intake air leak.
9. Fuel tank vent hose and vapor valve plugged, or fuel line closed off, restricting fuel flow.
10. Enricher valve inoperative.
11. Engine lubricant to heavy (winter operation).
12. Ignition is not functioning properly (possible sensor failure).
13. Faulty ignition coil.
14. Valves sticking.
For more information about your issue and valuable "FREE" downloads that you will need please visit the websites below. Good luck and have a nice day.
Dirt Rider Magazine
How to Start YZ426F Easily
Yamaha YZ426F Owner Service Manual
OEM parts for Yamaha
Yamaha YZ450F Owner Manual Page 3

May 03, 2012 | 2002 Yamaha YZ 426 F

1 Answer

Hi need help I've got a 2002 wr 426f but need new frame I can buy a yzf 250 2002 frame but not sure if it will fit I know ill lose my kick stand


Yes the YZ frame will work perfect.
The main difference in a WR to a YZ is the extra weight that the flywheel has on the WR's engine,other than that the bikes are about identical.
Good luck,Gary

Sep 21, 2011 | Yamaha WR 426 F Motorcycles

1 Answer

Hello, I have a 2002 Yamaha 426f and recently changed the oil and filter, I noticed that there was a small amount of metal shaving in the filter, bike has approx. 400 miles on it, is the motor headed for...


That is what an oil filter is for. Some people fit magnetic sump plugs to catch the bits of metal that drop into the bottom of the sump.
Don't worry, it's normal.

Aug 04, 2011 | 2002 Yamaha YZ 426 F

1 Answer

Need some info on changing my water pump on a 2000 Suzuki GSX-R600


Remove the lower fairing.
Remaove radiator cap, disconnect water hose from the water pump and drain coolant.
Remove the oil drain plug to drain engine oil, remove the coolant reservoir tank.
Remove gearshift lever and engine sprocket cover.
Disconnect water hoses.
Remove the water pump mounting bolt and the water pump assembly.

Replacement is the reverse and don't forget to refill the oil!

Feb 19, 2011 | Suzuki GSX-R 600 Motorcycles

1 Answer

I have a problem with my yamaha yz 426f, i just get it from a mechanic after complete rebuild (new piston, bearings...everything in a machine) the compresion is very strong because engine didnt run even 5...


Bring it back .. work should be under warranty of some sort. Also if the engine is running but stalling due to fouled plug then maybe the oil injector is not adjusted properly or the oil/fuel mix is not right for some reason.

Dec 22, 2010 | 2001 Yamaha YZ 426 F

1 Answer

Wat kind of coolant is good for a 04 yz 450? Engine Ice Collant. acn u also use regular car coolant? How many Qaurts of 4 stroke oil do you put in a yz 450? wat typ is good to use. (example 10-30) where do...


1 litre of oil in engine or 1.1 litre of oil if you change oil filter and you drain the oil underneith the engine there will be a plug this just simply comes out and the oil drains but warm the engine first before you do this and i would recccomend using silkolene pro 4 plus 5w-40 and also use silkolene pro cool its ready mix i can get these oils if you reccomend and i can send them to your location

Nov 09, 2009 | 2004 Yamaha YZ 450 F

1 Answer

2002 yz 426f has a slight miss fire in 5th gear only have tried plug,leed,cap,fuel and cleaned the carb out


maybe could be lack of fuel at top end on carb will be a screw the mixture screw you need just fiddle with it till it runs ok if it makes no difference get back to me 362ba0b.jpg

Oct 24, 2009 | 2002 Yamaha YZ 426 F

1 Answer

My Yz 426F and it won`t start at all, changed the plug and it still won`t start


HELLO; Now, pull the plug out reinstall it on the ing. cable and short it out on the head while cranking the motor over ,look for a nice crisp spark. If you have one, check for fuel flow from your tank to the carb. Check that and if nothing, write back and we will go from there. GOOD LUCK.

Oct 01, 2009 | 2002 Yamaha YZ 426 F

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