Question about Yamaha YZ 125 Motorcycles
size jetting should be used for main and pilot. stock is 420 mai i have 2004 yz 125 fmf phatty pipe with fmf shorty silencer the head is shaved 80 thousnths and sidewalls bored 20 over .bike is burnin
...jetting a 2 stroke if you lack experience can be tricky in that if you go too lean you can seize the engine so if you do reduce the size of your main jet frequent initall inspections of the plug is ...
...higher than about 6,000 feet above sea level, the stock jetting may be too rich. Down-size the main jet in small increments until satisfactory operation and the correct spark plug color is
How are the basic setting in the carburator? You have a mikuni carb. there are curcuits to the carb. the first that works from idle to 1/4 throttle is the pilot cicuit, from there you transition to ...
what is the size of main jet of YZ125? Main Jet: 410 Main Air Jet: 2.5 Jet Needle: 6BFY43-74 Needle Jet: S-1 Pilot Air Jet 1: #40 Pilot Outlet: 0.7 Pilot Jet: 40
can any one tell me what size jets are in 1984 yz125 ? The main jets listed for the bike are #250, 260, 270, 280 and 290.
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