— US-30 —
Problem Cause Action
Engine Will Not Start "STOP" switch set to off position Move switch to "On" position
Empty fuel tank Fill fuel tank
Primer bulb wasn’t pushed enough Press primer bulb until fuel flows
through fuel return line
Engine flooded Use warm engine starting procedure
Engine Will Not Idle Idle speed set incorrectly Set idle speed
Engine Lacks Power or Stalls When Throttle wire has come loose Tighten throttle wire
Cutting Dirty air filter Clean or replace air filter
Clogged spark arrester or exhaust port
Clean Spark arrester or exhaust port
Troubleshooting
If further assistance is required, contact your local authorized Maruyama service dealer.
※
1. Dry weight without Blade and Harness.
Specifications
Maintenance Period
●
: 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-cycle engine oil.
Weight
※
1
(1bs)
Engine Displacement (cm
3
)
Anti Vibration
Carburetor
Ignition
Fuel Tank Capacity (qts.)
Gas to Oil Ratio
Spark Plug
Spark Plug Gap (in.)
EPA and CARB Approved
41.5 cm
3
Dual Isolation - grip and engine mount
Walbro Diaphragm Type
Solid State
1.06 (1.0
ℓ
)
50:1
NGK BPM8Y
024 -.028 (0.6 - 0.7 mm)
Phase3, Tier3
B42L
17.2 (7.8kg)
B42
18.3 (8.3kg)
B42A
18.0 (8.2kg)
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 ports
●
Replace fuel tube, fuel tank cap gasket It is recommended to replace every 3 years
Every Every Every
Maintenance Daily 25 hours 50 hours 100 hours
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