The pipes are oryginal but without connection between them. I have "normal" air filter but my pipes are just stright tubes. I know that these factory Mikuni settings are for "normal" Harley. After 1-1,5 turn out there was about 850 rpm and when I screwed it out it was still about 850 rpm.
MIKUNI BSR42 CARBURETOR FULL
Than again I re-open air screw two full turns and I started turn the screw out. PN: 704 100 019 High quality with hi-resolution diagrams and illustrations.
MIKUNI BSR42 CARBURETOR MANUAL
preview this manual 2003 Bombardier Rally 200 Service Manual Original service manual covers Rally 200 models. Than I adjusted screw in and after 1 turn in the idle risen to 1300 rpm, after 1,5 turn in was about 1450 rpm, two turns in (bottomed screw) it was again about 1000 rpm.
I tried do like this so I set two turns out and set about 1000 rpm. I found only 2.3 and 3.0 float bowl seat sizes available as a rebuild kit. The amount of power any engine can deliver is directly related to the volume of air it can use in a given time together with its efficiency in using that air. Its purpose is to provide maximum airflow for the most demanding high performance engines. Set the air screw mid-way between these too-rich and too-lean positions." Hello, I have a Predator 500 with the Milkuni BSR42 carb and Im a little confused on what size the float valve to get because the needle valve that came out of my carb has 1.5 stamped on the side. Mikunis new HSR48 is a special version of the proven HSR42 carburetor. Count the number of turns between the two positions. With the engine idling smoothly, adjust the pilot air screw in slowly until the idle either slows or becomes irregular, then turn the screw out until the engine again slows or begins to idle irregularly. Next, run the engine until it reaches normal running temperature. If the screw position has been altered, gently bottom it and re-open it two full turns. This is the position we have found to be correct most of the time. "The pilot air screw is set at two turns open from the factory. Kit includes an aluminum cover, diaphragm, springs and screw.
Today I tried to set the pilot air screw in Mikuni HSR42. Mikuni BSR Air Cutoff Valve Rebuild Kit Rebuild kit for air cutoff valves on Mikuni BSR33 and BSR42 carburetors.