Question about 2003 Yamaha YZ 125

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Well after my bike warms up it will enagae the clutch but when it is cold in wont do any thing

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  • ccw_dorkdude May 13, 2009

    What is the recomended grad for yz 125 2002



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Indicative of wrong oil in case. make sure it is proper as called for by manufacturer.Oil is not regular motor oil.

Posted on May 13, 2009

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Sounds if the oil is too thick

should warm up the the bike an drain oil an use the requemended grade

Posted on May 13, 2009


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When my clutch is pulled all the way it still doesn't roll as if in neutral.

Does this happen when the bike is cold or hot? When a bike is cold and turned off, the oil in the gearbox 'sucks' the clutch plates together even when you disengage the lever. When an engine is warm and running the oil thins out, letting the clutch engage and disengage. Change your gearbox oil regularly to stop any sludge building up. Hope this helps..

Aug 29, 2013 | 2003 Yamaha YZ 125

1 Answer

When warmed up clutch doesnt work. when cold works great. i already replaced the clutch still does it.

What model Bike have you got?
It sounds to me like as the engine warms up, there is an adjustment that is going out of tollerance.
Go through the manual and set up the clutch tension and adjustment as described.
Haynes supply a good manual for most bikes, if you haven't got a workshop manual, and may be worth a look on their web site and they are not too expensive either.

Oct 17, 2010 | Suzuki VS 1400 Intruder Motorcycles

3 Answers

Every time I put the bike in gear it dies, also when I do get the bike to stay running and in gear when I get it to a stop sign it dies. Please Please help me.

Your clutch plates have become stuck together.The clutch needs to be pulled apart,clutch plates cleaned,and put it all back together in EXACTLY(EXACTLY) the same order as it came apart.There is plenty of people that know how to do clutches.Hope this helps

Jul 24, 2010 | 1983 Yamaha XS 400 L Maxim

2 Answers

Finding neutral

This is usually down to clutch adjustment.If the bike shifts into neutral at stand still but doesn't when hot then your clutch cable needs adjusting so you have 1/8th of an inch freeplay at the lever. Also try running on a 20/50 oil as these bikes weren't designed to run on synthetic oils( clutch slip ) Also warm the bike up properly before a ride , don't tear off with the engine cold. Happy riding.

Sep 03, 2009 | 2003 Yamaha TT 600 R

1 Answer

2009 crf250r wont start when cold.

is ur batt healthy-must hav 12V at all times-cause its a coil ignition-is the regulator workin to charge it? carbs r a touchy thing-mite want to inspec low speed or idle jet-do u hav a manual*

Sep 01, 2009 | Honda CRF 250 R Motorcycles

2 Answers

Clutch slips

Old fluid or improper type. Doesn't the Sporty use the SportTrans fluid in the year? Other than that, maybe time for new clutch plates. Or the clutch spring may have lost it's spring.

Jun 05, 2009 | 1993 Harley Davidson XLH Sportster 883

1 Answer

Won't idle down after it warms up

after the bike has warmed up, then reset the idle to approx 1000rpm. then see what happens when its cold. some bikes are cold blooded and the use of choke is necessary for a bit, at least until it warms up...

May 24, 2009 | 2007 Yamaha Road Star

2 Answers

Harley sportster clutch

it is not uncommon with a lot of bikes, but i would adjust the clutch first and it should stop the drag. adjuster is at bottom of cable on crankcase

Apr 01, 2009 | 2005 Harley Davidson XL 883L Sportster

1 Answer

Clutch slipping while cold, when warm/hot, it operates great.

I have a 2000 Vulcan Nomad FI & had a very similar problem. In fact, it's a very common problem with these bikes. I fixed it by replacing the Clutch Spring. (As Described here:

It cost me $40 and 3 hours of time with an impact wrench.

Jan 23, 2009 | 2004 kawasaki VN 1500 Vulcan Classic

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