Vanguard
TM
Twin-Cylinder OHV Liquid-Cooled Engine
Section 6 - Final Adjustments & Specifications
Page 72
4. Tighten casing clamp screw.
Fig. 184
Choke Control Adjustment
1. Place choke control lever on equipment in
CHOKE
position.
2. Loosen control casing clamp screw.
3. Move control casing and wire until choke is
completely closed, Fig. 185.
4. Tighten casing clamp screw.
Fig. 185
CARBURETOR ADJUSTMENT
The VanguardE liquid cooled OHV Twin cylinder
carburetor fuel mixture adjustment procedure is unique.
Perform adjustments exactly in the sequence shown.
Initial Adjustment
1. Turn idle mixture screw for #1 cylinder clockwise
until it just seats. DO NOT FORCE.
2. Then turn screw counter-clockwise 3/4 turn, Fig
186.
3. Repeat for #2 cylinder.
This setting will permit engine to start. Final adjustment
will be made with engine running.
Fig. 186
1. When engine has been reassembled after any
major repairs, fill engine with a multi-viscosity oil
to the recommended level.
2. Then run engine for 5 minutes under NO belt
tension.
3. Then adjust belt tension to OEM specifications.
Final Adjustment
CAUTION: Failure to follow these instructions
may result in bearing seizure
IMPORTANT: Idle mixture adjustment must be
performed with the engine running at 1200 rpm.
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