SOURCE: yamaha timberwolf 4x4 carberator issues
Hi,
Firstly, if you are not a mechanical person you should never buy a vehicle that does not run.
However, here are some basic tests.
1. Connect a good battery.
2. Remove the spark plug.
3. Turn the motor using the starter motor or kick starter.
4. check for spark by inserting a new plug into the plug cap. (make sure the plug is grounded).
If the motor turns freely and there is spark, chances are good that the motor will run. This does not mean that the motor is in a good condition. Only with the motor running will you be able to know for sure.
You will now have to source a carb and fit it to the 4 wheeler.
Fitting the carb is not too difficult. Check that the intake manifold is not perished or torn, and remember to use the airfilter.
Enjoy the ride !
Jon
SOURCE: How to replace the rear brakes on a 1992 Yamaha
Go to the site below where you can see a parts diagram for your specific ATV. You will select the actual brand, year, model, etc., once you go to the site. Part numbers and prices are also shown. You can order parts from this site. In the event no price is shown on a particular part and/or the notation "Not Available" is in the description, the part is not in stock. www.babbittsonline.com/pages/parts/viewbybrandand/parts.aspx
It looks like all you need to do is remove the right rear wheel to get access to the brake.
SOURCE: I am trying to tune
On most Mikuni carbs The screw that lines up with the middle of the slide and often has a spring on its shaft to stop it moving is the idle screw, it merely lifts the slide to increase engine revs, the same as opening the throttle and will not change mixture or jetting.
The smaller screw often on an angle, or from underneath is the mixture or air screw. this will affect mixture mainly at idle, low revs, starting.
these are usually set by screwing it all the way in and counting the turns, then back it out the same number of turns to get a start point, usually about 2 turns out from the fully in position. it should only need adjusting about a quarter of a turn either way.
with the bike idling as you turn it in, the engine will start to bog down (rich) as you screw it out the engine should smooth out until it has an uneven idle and change in idle speed up and down(lean) and pick the smoothest idle in the middle, but this should be less than 1 turn from rich to lean
SOURCE: I get the four wheeler
could also be a valve sticking. Do you have the clamps on the carb? It shouldn't pop off the intake.
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