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2003 Yamaha YZ 125 - Page 9 Questions & Answers
I have a 94 yz 125 we had to advance the timing
first I would check the stator that could make it run backwards, also put it ob a stand start it and if the tire going backwards in neutral could be just vibration. somehow your timing is still off check those two issues
Why is my antifreeze blue
There are a few different types of coolant. green, pink, blue, red. No need to worry about it being blue, just dont mix it with another color, either add more of the same coolant, or flush it and refill with entirely another color.Green is about the only color you will find at most local part stores, to get more blue, you'd have to go to your local dealer, or order it online.
Yamaha 1997 yz 80
try to change the magnetinc there are 4 or 5 or 6 coil or dynamo one of them is damage
How do i change front wheel berrings
those are sealed units and are intergrated with the wheel rotor if the
bearings are bad they must be replaced and those are dealer only items.
labor for each side is about 1 hour for remove and install per side.
unfortunately there are no aftermarket parts available just yet. hope
this helps
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Gear oil is getting in combustion chamber and
Tell me.Are you losing gear oil out of the gearbox???
Reason I ask is there is no connection between the gearbox and the combustion chamber.
The g/box is a sealed unit.It's a 2 stroke motor,not a 4 stroke.
Come back to me on this and I hope I can help
Diffrences betweein oils
your bike does not use tranny oil.only motor oil.your gears are lubricated by your motor oil as well as your clutch.it works by a sump system.I use yamahlube for my bike.
Yz 125 2001 stays in gear when clutch pulled in
Lose the Honda transmission oil. It may have swollen the cork on the friction plates. Go with 10w40 in the gearbox. Any major brand; Mobil, Shell, Quaker State, Pennzoil, etc.. Try the new oil and give the cork a week to shrink back down > if they will. You may need to put in a new set of plates.
Do I need a new part or is this a regular problem with these bike?
If there is no hose or restriction, the cylinder will do that. There is no check valve or other device to prevent backflow - it has to backflow otherwise the brakes would not release. If it is not producing pressure then it may need to be either cleaned or rebuilt. These are simple to rebuild.
Where is a power band at on a 2 sttroke
The 'poer band' is not an object in the engine. It is a term that refers to the RPM range in which an engine produces the most power. All engines have a power band but it is a term that is most commonly associated with a two stroke because almost all other engines have a very smooth transition of power yet the tuned, performance 2-stroke engine has a very clearly defined RPM range where it produces substantially more power - hence the term.The power band in a 2-stroke is typically in the upper RPM but it can be moved and altered by changing the compression of the engine, the weight of the flywheel, the carburetors settings, the port timing of the cylinder, the shape of the combustion chamber and the exhaust tract among other less popular mechanical alterations.I hope this clears things up.
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