July 2006
SERVICE INSTRUCTIONS
Page: Intro-8
WALKER MANUFACTURING COMPANY
Idle RPM
MT, MTL, MTEFI, MC
MD
MS
MW
MB
1200 ± 75
1000 ± 50
1300
1500
1750
Spark Plug Type
MT, MTEFI, MC
MTL, MB
MD
MS
MW
Champion
®
RC12YC
Champion
®
RC14YC
N/A
NGK BPR5ES
Champion
®
RCJ8Y
Spark Plug Gap
MT, MTL, MTEFI, MC, MS, MW, MB
MD
.030 in. (.76 mm)
N/A
Crankcase Capacity
MT, MTEFI
MTL, MC
MD
MS
MW
MB
2.1 qts (2.0 liters)
2 qts (1.9 liters)
3.1 qts (2.9 liters)
1.35 qts (1.3 liters)
1.8 qts (1.7 liters)
1.5 qts (1.4 liters)
Crankcase Lubricant
MT, MTL, MTEFI, MC
MD
MS, MW
MB
API SG, SH, SJ or higher Grade Oil Only with 10W-30 Viscosity
above 0° F (-18° C), or 5W-20 or 5W-30 Viscosity below 32° F (0° C)
API CC/CD/CE Grade Oil Only with 10W-30 Viscosity or 30W
above 77° F (25° C) Only
API SC/SD/SE/SF/SG/SH Grade Oil Only with 10W-30/10W-40
Viscosity or 40W Above 68° F (20° C) Only
SF/SG/SH/SJ or Higher Grade Oil Only with 30W Viscosity
Above 40° F (4° C)
Oil Filter
MT, MTL, MTEFI
MD
MC
MS
MW
MB
12 050 01 S
15841-32439
28-050-01
49065-2057
49065-2078
492932
Coolant (MTL, MD Only) 50/50 Pre-Mix Anti-freeze/ water
Cooling Fan (MTL, MD Only) Electric radiator cooling fan with reversible self-cleaning action
Fuel Tank Capacity
MT, MTL, MTEFI, MD
MC, MW, MB
MS
5 Gallons (19.0 liters)
3 Gallons (11.4 liters)
1.7 Gallons (6.4 liters)
Fuel
MT, MTL, MTEFI, MC, MS, MW
MD
MB
Regular Grade Unleaded Gasoline (87 Octane)
Diesel Fuel 2-D
Automotive Grade Unleaded Gasoline (85 Octane)
Cooling System Capacity
MT, MTEFI, MC, MS, MW, MB
MTL, MD
Air Cooled
Liquid Cooled
1.25 Gallons (4.73 liters)
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