Maintenance
GB
5
6
1
8. Turn throttle stop screw 5 until it touches throttle lever 6
then tighten the screw to 2-1/2 turns.
12) Pilot screw adjustment
1. At first, 2-3/4 turns out (loosen) the pilot screw 1 all of the
carburetors from fully tighten. Start and run engine up to
normal operating temperature with an tachometer
installed.
Don’t tighten too much strongly.
2. Adjust the pilot screw of the No.1 carburetor, check for
setting highest in idle speed. Then adjust -1/8 turns from
there, for cold engine starting.
3. Adjust same procedure for No.2 and No.3 carburetor.
4. Adjust the throttle stop screw 2 to obtain the specified
RPM at neutral and trolling speeds.
Neutral Idle RPM : 900
Trolling RPM : 750
2
3-30
2st X50D2 2011
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