19
Follow the MAINTENANCE SCHEDULE on page 11. Remember that
this schedule is based on the assumption that your Honda engine
product will be used for its designed purpose. Sustained high-load or
high-temperature operation, or use in dusty conditions, will require
more frequent service.
Air Index
(Models certified for sale in California)
An Air Index Information label is applied to engines certified to an
emission durability time period in accordance with the requirements of
the California Air Resources Board.
The bar graph is intended to provide you, our customer, the ability to
compare the emissions performance of available engines. The lower
the Air Index, the less pollution.
The durability description is intended to provide you with information
relating to the engine’s emission durability period. The descriptive
term indicates the useful life period for the engine’s emission control
system. See your EMISSION SYSTEM WARRANTY (page 23) for
additional information.
Specifications
Mower Features
Dimensions and Weights
* Cutting height set at 1 in (27 mm) and handlebar set in highest
position.
** Including grass bag
Engine Design and Performance
Transmission Design and Performance
Maintenance
Descriptive Term
Applicable to Emissions
Durability Period
Moderate 50 hours (0 ~ 80 cc)
125 hours (greater than 80 cc)
Intermediate 125 hours (0 ~ 80 cc)
250 hours (greater than 80 cc)
Extended 300 hours (0 ~ 80 cc)
500 hours (greater than 80 cc)
1000 hours (225 cc and greater)
HRN216VLAA
HRN216VLPA
Honda rotary mower, 21-inch mower deck,
self-charging electric start, 3-in-1 Clip
Director
®
, Smart Drive variable speed
transmission, flywheel brake, fixed throttle,
Auto Choke System
Length 61.0 in (1,550 mm)
Width 22.6 in (575 mm)
Overall height* 40.8 in (1,037 mm)
Dry mass [weight]** 87.3 lb (39.6 kg)
Cutting width 20.9 in (530 mm)
Cutting heights
(approximate)
1 ~ 4 in (27 ~ 100 mm)
Wheelbase 26.6 in (676 mm)
Model GCV170
Type 4-stroke, overhead-valve,
single-cylinder, air-cooled
Displacement 10.1 cu in (166 cc)
Bore and stroke 2.36 x 2.32 in (60 x 59 mm)
Compression ratio 8.0:1
Ignition system Transistorized magneto
Transmission type Variable speed
Ground speeds 0 ~ 4.11 mph (0 ~ 1.84 m/s)
Item Description Page
Fuel Unleaded gasoline with a pump
octane rating of 86 or higher containing
no more than 10% ethanol by volume
Capacity: 0.24 US gal (0.91 L)
See “AVOIDING FUEL-RELATED
PROBLEMS” on page 20 to prevent
fuel-related problems
page 6
Blade Bolt
Torq u e
36 ~ 43 ft-lb (49 ~ 59 N•m) page 12
Engine Oil SAE 10W-30, API SJ or later
Capacity: 13.5 oz (0.40 L)
Refill amount: 12.0 ~ 13.5 oz
(0.35 ~ 0.40 L)*
page 13
Spark Plug Type: NGK - BPR5ES
Gap: 0.028 ~ 0.031 in (0.7 ~ 0.8 mm)
page 14
Smart Drive
Cable
Adjust for proper operation. Shop
manual
Maximum
Governed
Speed
2,950 ~ 3,100 rpm ** Shop
manual
Valve
clearance
(cold)
Intake: 0.10 ± 0.02 mm
Exhaust: 0.10 ± 0.02 mm
Shop
manual
* Actual amount will vary due to residual oil in the engine. Always
use the dipstick to confirm the actual level (page 6).
** Do not try to increase the engine speed above the maximum
governed speed; the blades could fracture and come apart.
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