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Honda HF1211S Lawn Mower
The
Honda HF1211S is a 2WD riding lawn mower. The components of Honda HF1211S
driveline system: Honda GXV340 4-stroke OHV 1-cylinder air-cooled gasoline
engine and belt-driven gear transmission with 5 forward and 1 reverse gears.
A 20.6 cu.in (337 cc) engine output rating is 11 hp (8.2 kW), and
maximum torque is 23.1 Nm (16.9 lb-ft) at 2500 rev/min. The engine has a
horizontal butterfly valve carburetor, pressure and splash lubrication
system, and air cleaner with a dual element.
Max. travel speed (forward/reverse): 4.3 mph (7 km/h) and 1.2 mph (2
km/h). The Honda HF1211S is equipped with a manual steering system,
mechanical brakes, 11x4.00-4 front tires, and 15x6.00-6 rear tires. The
wheelbase is 44 in (1120 mm). The riding lawn mower is compatible with a
30" mid-mount 1-blade mower deck with a cutting height of 1.0-3.5 in
(25-89 mm), and manual lift system.
Engine Model |
Honda GXV340 |
Engine Type |
Gasoline, 4-stroke OHV 1-cylinder air-cooled |
Number of Cylinders |
Single |
Displacement, cu.in (cc) |
20.6 (337) |
Engine Bore, in (mm) |
3.24 (82.0) |
Engine Stroke, in (mm) |
2.53 (64.0) |
Rated Engine Power, hp (kW) |
11.0 (8.2) |
Rated Engine Speed, rpm |
3600 |
Maximum Torque, Nm (ft-lbs) |
23.1 (16.9) |
Torque Speed, rpm |
2500 |
Compression Ratio |
7.7:1 |
Fuel System Type |
Carburetor |
Carburetor Type |
Horizontal, butterfly valve |
Governor Type |
Mechanical centrifugal |
Lubrication System |
Pressure and splash type |
Air Cleaner |
Dual element |
Cooling System |
Forced air |
Ignition System |
Transistor type magneto |
Spark Plug Type |
NGK BPR5ES or Denso W16EPR-U |
Spark Plug Gap, in (mm) |
0.028-0.032 (0.70-0.80) |
Module Air Gap, in (mm) |
0.008-0.024 (0.20-0.60) |
Stopping System |
Ignition primary circuit ground |
Intake Valve Clearance, in (mm) |
0.006 (0.15) |
Exhaust Valve Clearance, in (mm) |
0.008 (0.20) |
Fuel Tank Capacity, gal (L) |
0.95 (3.6) |
Oil Capacity, qts (L) |
1.2 (1.1) |
Electrical System Rating, Volts |
12 |
Electrical Ground |
Negative |
Starter Type |
Electric |
Number of Batteries |
1 |
Battery Rating, AH |
22 |
Mid PTO Operational Type |
Independent |
Mid PTO Clutch |
Mechanical |
Mid PTO Speed, rpm |
3600 |
Transmission Type |
Belt-driven gear |
Gearbox Type |
5F/1R |
Number of Forward Gears |
5 |
Number of Reverse Gears |
1 |
Oil Capacity, qts (L) |
2.96 (2.80) |
Maximum Forward Speed, mph (kph) |
4.3 (7.0) |
Maximum Reverse Speed, mph (kph) |
1.2 (2.0) |
Drive Wheels |
2WD 4x2 |
Steering Configuration |
Front steer |
Steering System |
Manual |
Brakes Type |
Mechanical |
Front Tire Size |
11x4.00-4 |
Rear Tire Size |
15x6.00-6 |
Front Tire Pressure, psi (kPa) |
21.8 (1.5) |
Rear Tire Pressure, psi (kPa) |
14.5 (1.0) |
Front Tread Width, in (mm) |
22.4 (570) |
Rear Tread Width, in (mm) |
26.0 (660) |
Wheelbase, in (mm) |
44.0 (1120) |
Length, in (mm) |
61.2 (1550) |
Height (Steering Wheel), in (mm) |
43.3 (1090) |
Overall Width, in (mm) |
42.1 (1070) |
Weight, lb (kg) |
369 (168) |
Mower Deck Type |
Mid-mount |
Number of Blades |
1 |
Cutting Width, in (mm) |
30 (760) |
Cutting Height, in (mm) |
1.0-3.5 (25-89) |
Cut Positions |
7 |
Drive Type |
Belt |
Lift System |
Manual |
Cylinder Compression, psi (kPa) |
85-121 (600-850) |
Intake Valve Clearance, in (mm) |
0.006 (0.15) |
Exhaust Valve Clearance, in (mm) |
0.008 (0.20) |
Carburetor Idle Fuel |
2-1/2 turns out |
Low Idle Speed, rpm |
1400±150 |
High Idle Speed, rpm |
3400±150 |
Spark Plug Gap, in (mm) |
0.028-0.032 (0.70-0.80) |
Engine And Transmission Oil |
Engine Oil Type (Summer) |
SAE 10W-40 |
Engine Oil Type (Winter) |
SAE 5W-30 |
API Service Classifications |
SE, SF or SG |
Engine Oil Capacity, qts (L) |
1.20 (1.10) |
Transmission Oil Type |
SAE 10W-30 |
Engine Air Filter |
Part Number: 17211-ZF5-V01 |
Spark Plug |
Part Number: 98079-55846 (NGK BPR5ES) |
Transmission Belt |
Part Number: CG35061400H0 |
Mower Deck Belt |
Part Number: CG35061423H0 |
Mower Deck Blade |
Part Number: CG84109500H0 |
Service Air Filter Element |
Every 50 hours |
Adjust Mower Deck Belt |
Every 50 hours |
Check Mower Blade Bolt Tightness |
Every 50 hours |
Change Engine Oil |
Every 100 hours |
Check and Adjust Spark Plug |
Every 100 hours |
Check Transmission Oil Level |
Every 100 hours |
Replace Air Filter Element |
Every 200 hours |
Check Carburetor Adjustment |
Every 200 hours |
Check and Adjust Valve Clearance |
Every 200 hours |
Replace Spark Plug |
Every 200 hours |
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Lawn and Garden Tractors Technical Specs |