SOURCE: oil out of tail pipe
Hi,
This is not uncommon.
Things to check first would be your fuel mixture. You might be running a bit rich. You should be using a mix of 3.5 percent synthetic oil.
Being a 2 stroke, the tail pipe cartridge needs replacing from time to time, as it does collect oil with time. If the bike is a bit noisey change the packing.
Always remember that there is oil in fuel used on 2 strokes.
Lastly check the type of oil you are using. Mineral oil does tend to be a bit messy as the mixture requires around 5 percent oil.
Most off road stores now keep good LOW SMOKE oils such as Motrex.
Stick to good synthetic oils !
Cheers
Jon
SOURCE: hi there i have a yamaha dtr 125 thats smokes
Assuming you are using two stroke engine oil, the pump is pumping too much into the gas. DO NOT use motor oil in the gas. If 2 stroke oil is being used, then get a new pump, fix the one you have or disconnect the pump and mix the oil with gas when you fill up. Four ounces of 2 stroke oil per gallon of gas equals the standard 32/1 fuel mix.
SOURCE: How can I fully derestrict a 2008 TDR 125. Bike
Hi,
I suggest to check wether the carburator has a restriction in the holder
check if the clapets (between carb and cilincer) has a restriction
check if the exhaust has a restriction.
But overall: a race-exhaust, a tecnician who personalizes the carb to the local wether conditions by adjusting the jet, an eventually needed unrestriced cdi will improve bigtime.
greetings from a big 2s fan.
Olivier.
SOURCE: I need an owners manual for a Yamaha TDR 125 Do
If you want a service manual you can download a free one at
http://www.yamaha-motor-europe.com/community/service/manuals.jsp
Good luck!
SOURCE: need free download service manual for yamaha tdr
http://www.yamahaownershandbook.com.au/index.php
Try this link, Enter: Motorcycle: Model: Year....it has free downloads for most Yammy's, includes adobe reader.
Cheers.
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