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Table of Contents
Specifications ............................................. 2
Safety ......................................................... 3
Set Up......................................................... 7
Operation ................................................... 10
Maintenance .............................................. 13
Warranties ................................................. 20
Parts Lists and Diagrams .......................... 22
Specifications
Engine Type
Vertical Single Cylinder 4 stroke OHV
EPA phase III and CARB compliant
Cooling System Forced air cooled
Fuel
Type
87+ octane stabilizer treated
unleaded gasoline
Capacity 0.25 gallon (0.95 liter)
Engine Oil
Type SAE
10W-30 above 32° F
5W30 at 32° F or below
Capacity 0.6 Quart
Run Time @ 50% Load
with full tank
40 minutes
Sound Level 104 dB
Bore x Stroke 70 mm x 45 mm
Displacement 173cc
Compression Ratio 7.9:1
Rotation viewed from PTO
(power takeoff - the output shaft)
Counterclockwise
Mounting Base Pattern
8" (203mm); 3/8"-24 UNF tapped hole;
2 x 8.7mm through-hole
Shaft
Shaft dia. 7/8″ x 3.16″
Keyway 3/16″ (4.76 mm)
End Tapped 3/8″ - 24
Spark Plug
Type
CHAMPION
®
: RA8HC
NGK
®
DCPR7E
TORCH
®
: DK7RTC
Gap 0.027" - 0.031"
Valve Clearance
Intake 0.004" - 0.006"
Exhaust 0.006" - 0.008"
Speed Idle 1,800 ± 50 RPM