Page 86
Speed Level Seres - Servce & Parts Manual
January 2019
Secton 7 - Mechancal System
Air Filter Element - Gasoline & Dual Fuel
Unlock the catches holding the filter canister cover.
Remove the wing-nut from the filter assembly and
remove the filter element.
Inspect the canister for debris and clean as necessary.
Install a new filter element and tighten the wingnut.
Replace the canister cover and lock the catches.
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ART_3204
Catch
Air Filter
Canister
Cover
Filter
Engine Adjustment - Gasoline & Dual Fuel
The following adjustment points are sealed by the
factory and cannot be adjusted.
Carburetor Pilot Screw
LPG Main Pressure Adjustment Screw
LPG Idle Pressure Adjustment Screw
Distributor Ignition Timing Adjustment Screw
Choke Adjustment - Gasoline & Dual Fuel
Loosen the Choke Adjustment Screw until the
linkage rod can move freely.
Manually retract the Choke Solenoid Piston until
it stops.
While holding the solenoid fully retracted, close
the choke plate until it stops in the fully closed
position.
Allow the choke plate to open slightly and tighten
the Choke Adjustment Screw.
Check Choke Solenoid operation to ensure
that the choke plate travel does not prevent the
Choke Solenoid from retracting fully.
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Choke Adjustment Screw
Idle Adjustment Screw
Throttle Solenoid
Throttle
Solenoid
Adjustment
Throttle
Linkage
Choke
Solenoid
ART_2067
Idle Speed Adjustment - Gasoline & Dual Fuel
Bring the engine to operating temperature.
With the engine at idle, adjust the Throttle Stop Screw until the engine RPM is 1350±50.
High Speed Adjustment - Gasoline & Dual Fuel
Bring the engine to operating temperature.
Loosen the adjusting nuts on the Throttle Solenoid.
Have an assistant press the enable trigger on the Upper Controls joystick.
Adjust the nuts on the Throttle Solenoid Piston until the engine RPM is 3400±50.
Tighten the nuts to secure the adjustment.
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