16
TECHNICAL INFORMATION
Serial Number Locations
There are two serial numbers, one for the engine and one for the
mower frame. Record the engine and frame serial numbers in the
space below. You will need these serial numbers when ordering parts
and when making technical or warranty inquiries.
Engine serial number: _________________________________
Frame serial number: __________________________________
Date of purchase: _____________________________________
High Altitude Operation
At high altitudes, the standard carburetor air-fuel mixture will be too
rich. Performance will decrease, and fuel consumption will increase. A
very rich mixture will also foul the spark plug and cause hard starting.
Operation at an altitude that differs from that at which this engine was
certified, for extended periods of time, may increase emissions.
High altitude performance can be improved by specific modifications
to the carburetor. If you always operate your lawn mower at altitudes
above 1,500 metres, have your servicing dealer perform this
carburetor modification. This engine, when operated at high altitude
with the carburetor modifications for high altitude use, will meet each
emission standard throughout its useful life.
Even with carburetor modification, engine horsepower will decrease
about 3.5% for each 300-metre increase in altitude. The effect of
altitude on horsepower will be greater than this if no carburetor
modification is made.
NOTICE
When the carburetor has been modified for high altitude operation,
the air-fuel mixture will be too lean for low altitude use. Operation at
altitudes below 1,500 metres with a modified carburetor may cause
the engine to overheat and result in serious engine damage. For use
at low altitudes, have your servicing dealer return the carburetor to
original factory specifications.
Specifications
Mower Features
Dimensions and Weights
Engine Design and Performance
Transmission Design and Performance
Maintenance
HRX2174HYUA
Honda rotary mower, 530mm mower deck,
Clip Director, hydrostatic transmission, blade
brake clutch, Auto Choke System
HRX2175HYA GH
MAGA –– XXXXXXX
AMERICAN HONDA MOTOR CO., INC.
ALPHARETTA GA 30005 8847
CONFORMS TO ANSI B 71.1-SAFETY STANDARD
MODEL NAME AND
FRAME SERIAL NUMBER
ENGINE
SERIAL NUMBER
Length
1825mm
Width
585mm
Overall height *
1115mm
Dry weight
43.6kg
Cutting width
530mm
Cutting heights (7)
20 ~ 102mm
Grass bag
capacity
88L
Noise level
< 75 dB(A) @ 7.5(m) LpA
* 1-1/4 inch cutting height and handle in highest position
Model
GCV190
Type
4-stroke, overhead-cam,
single-cylinder, air-cooled
Displacement
186cm
3
Bore and stroke
69.0 x 50.0mm
Compression ratio
8.5:1
Ignition system
Transistorized magneto
Transmission type
Variable speed
Ground speeds
0 ~ 1.80m/s
Fuel
Unleaded petrol with a pump
octane rating of 86 or higher containing
no more than 10% ethanol by volume
Capacity: 0.93 litres
Blade Bolt
Torque
49 ~ 59N•m
Engine Oil
SAE 10W-30, API SJ or later
Capacity: 0.50 litres
Refill amount: 0.35 ~ 0.40 litres*
Spark Plug
Type: NGK - BPR5ES
Gap: 0.7 ~ 0.8mm
Maximum
Governed
Speed
3,100 +0/-150rpm **
Shop
manual
Valve
clearance
(cold)
Intake: 0.15 ± 0.04mm
Exhaust: 0.20 ± 0.04mm
Shop
manual
*Actual amount will vary due to residual oil in the engine. Always
use the dipstick to confirm the actual level (
** Do not try to increase the engine speed above the maximum
governed speed; the blades could fracture and come apart.
Summary of Contents for HRX217HYUA
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