Question about Motorcycles
Check the grounds on your 22 year old bike. The flasher works because of heat building up in a bi-metal strip in the flasher. It gets hot, breaks connection; it cools, makes connection, repeat. If the rear lights are NOT coming on, you are not drawing enough power to heat the bi-metal strip thus it is not heating or cooling, making and breaking connection, not flashing. Check ALL ground connections from your rear signal lamp back to the negative terminal on the battery. Dont miss one connection - lamp to lamp holder, lamp holder to fixture housing, housing to fender, fender to frame, frame to battery (minus side) and so forth. Corrosion is not your friend here - if you find it - clean it. I believe you will find that if you put a wire from the housing to the battery negative terminal, your light will come on. If it doesn't, check the hot side of the circuit.
Oh, by the way, your battery is in tip top condition, right?
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Posted on Dec 02, 2012
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Posted on Jan 02, 2017
You need to replace the flasher relay on your bike. Its a black plastic cube or rectangular in shape that has the inscription Denso (usually) in it. It should also have the inscription "4 bulbs 25 watts".. this is the main unit you need to replace.
Posted on Mar 15, 2009
There are two seat bolts under the seat that must be removed. Obviously, if the underside of the fender is covered in mud, you'll have to clean it first. A metric socket works best to remove the bolts.
After removal of the seat bolts, lift the back of the seat, then pull straight back; a plastic flange on the front of the seat hooks under the tank, and so you have to pull it backwards to remove it.
With the seat off, removing the battery is pretty easy. A rubber strap holds the battery down; unhook and remove it. Unscrew the lead wires and unhook them (negative first), then pull the battery out.
Install a replacement battery by reversing these steps. Yamaha recommends charging a new battery before installing it.
Posted on May 27, 2009
SOURCE: yamaha tw 125
The noise you hear is valve clatter. You should not adjust your timing chain. Instead get a manual and find the vlave clearances for that bike. (Ex. The exaughst valve may be .006" and the intake valve may be .004") Then you'll need a feeler gauge, and to do this you'll remove the valve covers and get the engine to TDC (Top Dead Center) This is where the piston is at the very top of it's stroke and both valves are shut. (compression stroke) You must then loosen the rocker arm nut to the point that you can insert the feeler gauge between the rocker arm and the top of the valve run the nut down tight to the feeler gauge and then pull gauge out and repeat on the other valve.
Posted on Aug 24, 2009
If the bike has sat for a long period of time without being run - the gas that is sitting in the carb(s) will shellac.. Then the carb(s) would need to be cleaned and "rebuilt"..
Posted on Sep 14, 2009
I have a tw200 and when I have this problem its from the cam chain slipping back a notch when I unload it from my truck. I leave it in gear so when I let off the cluch it acts as a brake. I ride by my self so thats why I load it that way. I am guessing you load and unload your tw the same way. So remove the timing cover and make sure you are tdc on both the upper and lower timing marks. The bike will run if the timming is off a bit. It's really easy to set the timing on these bikes. It's easier to look for how to on the xt 200 if you need more help.
Posted on Jan 07, 2010
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