Question about 2005 Yamaha WR 450 F

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I am haveing trouble with mr 07 wr 450, elec start

I am haveing trouble with my 2007 wr 450, elec start wont work and when im rideing my speedo isnt working properly as it comes up with random numbers like im doing 200kph when im doing more like 50, it also makes a buzzing noise from some sort of relay when i go to use electric start, im not sure what it is but its located under the seat beside the battery

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I would replace the Rectifier. Easy fix. Good luck

Posted on Oct 06, 2009

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1 Answer

What is the valve clearance on 2007 WR 450 F Yamaha


Intake valve -0.10mm
exhause valve-0.20-0.25mm

Feb 15, 2015 | 2007 Yamaha WR 450 F

1 Answer

AVS wr speedo


Hi, Anonymous for this situation I would call my local dealer or reputable shop's service/parts department and inquire about any possible quick fix, answers, or parts inquiry. For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
YAMAHA WR450F Owner Manual
OEM parts for Yamaha
https://www.manualslib.com/manual/1168561/Yamaha-Wr450f.html

May 06, 2014 | 2007 Yamaha WR 450 F

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Yamaha wr450f kick start is jammed and electric


Hi, Anonymous 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.
07 Wr450 Kick Starter lock up
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Aug 25, 2013 | 2005 Yamaha WR 450 F

1 Answer

Check tps on 2007 wr450


Hi, Gerard and the usual suspects are:
1. Severely discharged or a damaged battery, should have 12.5 volts or better and be able to pass a load test if necessary.
2. 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.
3. Spark plugs in bad condition or partially fouled.
4. Spark plug cables in bad condition and leaking check for spark leakage in the dark
5. Spark plug gap too close or too wide.
6. Faulty ignition coil, module, and or sensor.
7. Loose, dirty, or corroded ignition module connector at crankcase.
8. Faulty CKP or CMP, MAP, ETS, ATS, TPS, O2 sensor.
9. Dirty air filter.
10. Intake air leak.
11. Water, dirt, or rust in the fuel system, carburetor and/or filter.
12. Old dead or bad fuel.
13. Fuel tank vent system plugged or carburetor vent line closed off.
14. Vacuum line from intake manifold to fuel valve is broken, cracked, pinched, or missing.
15. Carburetor controls misadjusted.
16. Damaged carburetor.
17. Incorrect valve timing.
18. Weak or broken valve springs.
19. Damaged intake or exhaust valve.
20. Check for engine trouble codes
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.
Diconnected TPS good results WR450 WR 400 426 450
http://www.dirtbikeworld.net/forum/archive/index.php/t-7603.html
YAMAHA WR450F Owner Service Manual
OEM parts for Yamaha
YAMAHA WR450F Owner Manual

Jul 10, 2013 | 2007 Yamaha WR 450 F

1 Answer

Im trying to start my 450 wolverine after sitting a yewar. It wont fire up,like getting no gas any ideas


having same problem, but i only left it for 5 months. Did you get it started? if so, how? or what was the problem? Thanks

Nov 13, 2010 | 2004 Yamaha WR 450 F

1 Answer

Yfz 450 cuts out


sounds like fuel starvation,check fuel tap filter, if the valve tining or ignition timing was out it just wront run

Jul 05, 2010 | 2005 Yamaha WR 450 F

3 Answers

G'day my 08 wr 450f is blowing oil through the breather hose into the air box. what is causing this???


Im havin the same prod with my bike 08 wr450f
Looks like im gonna have to put it in the shop.

Aug 31, 2009 | 2005 Yamaha WR 450 F

1 Answer

I have a 1992 yamaha wr 500cc dirtbike i parked it and itwontrun


Hello there>>Get your self a new set of plugs and you'll be good as new...Sounds like the plugs got fouled.Have a great night

Apr 03, 2009 | 2005 Yamaha WR 450 F 2-trac

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