Troubleshooting; Maintenance Period; Specifications - Maruyama B42L Manuel Du Propriétaire/Utilisateur

Troubleshooting

Problem
Engine Will Not Start
Engine Will Not Idle
Engine Lacks Power or Stall When
Cutting
If further assistance is required, contact your local authorized MARUYAMA service dealer.

Specifications

Weight (1bs)
※ 1
Engine Displacement (cm
Anti Vibration
Carburetor
Ignition System
Fuel Tank Capacity (qts.)
Gas to Oil Ratio
Spark Plug
Spark Plug Gap (in.)
EPA and CARB Approved
Emission durability of 300 hours.

Maintenance Period

Check and replenish fuel
Check for fuel leakage
Check bolts, nuts and screws for tightness or missing
Check engine idle speed adjustment
■ Clean air filter element
Clean spark plug and adjust electrode gap
■ Remove dust and dirt from cylinder fins
● Clean spark arrester
Tighten bolts and nuts
● Remove carbon deposits in exhaust port
Replace fuel filter
● Remove carbon deposits on piston head and combustion chamber
● Remove carbon deposits in transfer port
Replace fuel tube, fuel tank cap gasket
●: Service to be performed by an authorized MARUYAMA engine dealer.
■: Service more frequently under dusty conditions.
NOTE:
The service intervals indicated are to be used as a guide.
Service to be performed more frequently as necessary depending on operating condition.
Use MARUYAMA standard 50:1 two-stroke engine oil.
• "STOP" switch set to off position
• Empty fuel tank
• Primer bulb wasn't pushed enough
• Engine flooded
Idle speed set incorrectly
Throttle wire has come loose
Dirty air filter
Clogged spark arrester or exhaust port
B42L
17.2 (7.8kg)
)
3
1. Dry weight without fuel, cutting attachment and harness/strap.
※
Maintenance
Cause
B42
18.3 (8.3kg)
41.5
Engine mount
Walbro Diaphragm Type
Solid State
1.06 (1.0L)
50:1
NGK BPM8Y
024 -.028 (0.6 - 0.7 mm)
Phase3, Tier3
Daily
It is recommended to replace every 3 years
— US-26 —
Action
• Move switch to "ON" position
• Fill fuel tank
• Press primer bulb until fuel flows
through fuel return line
• Use warm engine starting procedure
Set idle speed
Tighten throttle wire
Clean or replace air filter
Clean spark arrester or exhaust port
18.0 (8.2kg)
Every Every
25 hours 50 hours
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B42A
Every
100 hours
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