HONDA HRX217HXA - Manual (Page 74)

TECHNICAL & CONSUMER INFORMATION
72
Engine Design and Performance
Maintenance
Tuneup
Engine Model GCV190
Engine Type 4-stroke, overhead-cam, single-cylinder, forced air-cooled
Displacement 11.4 cu in (187 cc)
Bore and Stroke 2.71 x 1.97 in (69 x 50 mm)
Compression Ratio 8.5:1
Ignition System Transistorized magneto
Maximum Horsepower* 6.5 bhp (4.8 kW) at 3,600 rpm
Maximum Torque 9.74 ft-lb (13.2 N•m) at 2,500 rpm
* Horsepower rating (shown as maximum power output at 3,600 rpm) is in accordance with
SAE J1995. Actual engine power will be lower. Engine power depends on accessories,
operating speeds, operating conditions, and other variables.
Fuel Unleaded gasoline with a pump octane rating of 86 or
higher. page 49
Engine Oil SAE 10W-30, API SJ or later page 39
Spark Plug Type Regular: NGK BP6ES
DENSO W20EP-U
Resistor: NGK BPR6ES
DENSO W20EPR-U
page 42
Maximum Governed
Speed 2,950 ~ 3,100 rpm Shop
manual
Blade Control Cable Adjust for 3/8 ~ 9/16 in (10 ~ 15 mm) free play at the
blade control lever. page 45
Drive Clutch Cable Adjust for proper operation. page 46
Throttle Cable Adjust for clearance on the control arm. page 47
Blade Bolt Torque 36 ~ 43 ft-lb (49 ~ 59 N•m) page 37
Spark Plug Gap 0.028 ~ 0.031 in (0.7 ~ 0.8 mm) page 43
Idle Speed
(throttle lever at SLOW) 1,700 ± 150 rpm Shop
manual
Valve Clearance (cold) Intake: 0.15 ± 0.04 mm
Exhaust: 0.20 ± 0.04 mm
Shop
manual
Other Specifications No other adjustments needed.