Cellboost BOXER 427W 사용자 설명서

6-7-06 - Fifth Proof

• Faulty or misadjusted choke 

or throttle controls.

• Adjust choke and/or throttle 

control cables. See engine 

manual.

• Loose wires or connections 

that short the kill terminal of 

ignition module to ground.

• Tighten connections. See 

engine manual.

• Faulty cylinder head gasket.

• See engine manual.

• Faulty carburetor.

• See engine manual.

• Vacuum fuel pump 

malfunction, or oil in vacuum 

hose.

• See engine manual.

• Leaking/cracked vacuum 

hose to fuel pump.

• Replace hose.

• Intake system leak.

• See engine manual.

• Diode in wiring harness failed 

in open circuit mode.

• See engine manual.

Engine Starts Hard

• Auxiliary control lever is in 

either Forward or Reverse 

position.

• Move control lever to the 

Neutral position.

• Dirt or water in the fuel 

system.

• Drain fuel system and 

replace with fresh, clean fuel.

• Clogged fuel line.

• Clean or replace fuel lines.

• Loose or faulty wires or 

connections.

• Tighten connections.
• Replace wires. See engine 

manual.

• Faulty or misadjusted choke 

or throttle controls.

• Adjust choke and/or throttle 

control cables. See engine 

manual.

• Faulty spark plugs.

• Replace spark plugs.

• Low compression.

• See engine manual.

• Weak spark.

• See engine manual.

• Fuel pump malfunction 

causing lack of fuel.

• See engine manual.

• Engine overheated-cooling/

air circulation restricted.

• Clean cooling fins and 

remove any debris from 

around engine.

• Quality of fuel.

• Drain fuel system and 

replace with fresh, clean fuel.

• Flywheel key sheared.

• See engine manual.

• Intake system leak.

• See engine manual.