20 Most Recent 2003 Yamaha WR 450 F Questions & Answers

-Check where it leak from. Possibly just tight more it might be okay. Or gasket might be bad. check and replace with new one. Good Luck Mai

battery flat or failed giving 12v meter reading but no amperage output

Third gear is either stripped or missing the gear.

I dont have a picture for you but draining is very simple on bottom of the float bowl on the side you will see a phillips head screw undothat until the water you suspect to be there runs out do this with thfuel suply off once the wateer has drained open the fueltap when clean fuel flows from the drain simply screw the drain screw tight problem fixed Regards Geoff

As long as you use the cases from the same model and year there should be no problems. The cases don't get made as a pair in the factory ( it is not a Hesketh or Van Veen)

Yes you will need to remove and clean the carb, fuel will have left sediment after 6 months

Check the fuses and connectors first

1.6 qts for an oil change without the filter change. and 1.16 qts with a filter change.

i have drained oil from underneath my wr426 but the manual says it drains from the left and right what does this mean ive drained out?it looks like engine oil

Dirt in fuel line, worn float needle, stuck float needle, or a sunk float. Make sure the fuel filter on the petcock is still there. Make sure the float does not sink in gasoline. Closely inspect the needle for wear or damage.

Remove the right case cover, then remove the clutch. Disassemble the shift stopper wheel assembly then pull the shaft out of the right center case. If you have bent or broken the shaft it may be necessary to cut and or grind the end of the shaft so that the bend in the shaft will slide out through the case halves. You can download a free factory service manual at the site below. Please rate my answer. Thanks.
www.carlsalter.com/motorcycle-manuals.asp

How about an early Christmas gift? Go to the website below and you can download a free factory service manual. Now you can do a lot more than just an oil change. Please rate my answer. Thanks.
www.carlsalter.com/motorcycle-manuals.asp

check the wiring where it comes out of the side cover on engine mine was same way and it was bare wires there

The stock plug is NGK brand, CR8E (resistor plug)
If you would like to have a factory service manual for your bike, You can do a free download at the following website >
www.carlsalter.com/motorcycle-manuals.asp
Please rate my answer. Thanks!

read owners manual,or call dealer