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MAINTENANCE SPECIFICATIONS
Pilot outlet
1
Valve seat size
Main nozzle
2
Pilot jet
3
Pilot screw
4
Throttle valve
5
Float height
6
Governor arm:
Tension spring attach hole
7
Engine speed:
8
High engine speed
Low engine speed
9
10
0.9 mm (0.035 in) (MX250)
0.8 mm (0.031 in) (MX300)
1.6 mm (0.062 in)
6B (MX250)
6A (MX300)
0.41 mm (0.016 in) (MX250)
0.44 mm (0.017 in) (MX300)
1-5/8 turns out (MX250)
2 turns out (MX300)
18
13.8 mm (0.54 in)
2
3750–3850 r/min
1900–2100 r/min
7-6
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