Gx270 - Honda GX240RT2 Service And Repair Manual

SPECIFICATIONS

GX270

Model
Description code
Type
Displacement
Bore x stroke
Net power (SAE J1349)*1
Continuous rated power
Maximum net torque (SAE J1349)*1
Compression ratio
Fuel consumption
(at continuous rated power)
Ignition system
Ignition timing
Spark advancer performance
Spark plug
Lubrication system
Oil capacity
Recommended oil
Cooling system
Starting system
Stopping system
Carburetor
Air cleaner
Governor
Breather system
Fuel used
Reduction case oil capacity
(1/2 reduction with clutch)
Clutch Type
(1/2 reduction
Engagement start
with clutch)
Lock
*1: The power rating of the engine indicated in this document is the net power output tested on a production engine for the engine
model and measured in accordance with SAE J1349 at 3,600 rpm (net power) and at 2,500 rpm (max net torque). Mass
production engines may vary from this value. Actual power output for the engine installed in the final machine will vary
depending on numerous factors, including the operating speed of the engine in application, environmental conditions,
maintenance, and other variables.
gx240ut2_gx270ut2_gx340ut2_gx390ut2
GX270R2 GX270RT2
GCBMK GCBGT
4 stroke, overhead valve, single cylinder, inclined by 25°
270 cm3 (16.5 cu–in)
77.0 x 58.0 mm (3.0 x 2.3 in)
6.3 kW (8.4 HP) / 3,600 min-1 (rpm)
5.1 kW (6.8 HP) / 3,600 min-1 (rpm)
19.1 N·m (1.94 kgf·m, 14.1 lbf·ft) / 2,500 min-1 (rpm)
2.4 Liters (0.63 US gal, 0.53 Imp gal) / h
C.D.I.(Capacitor Discharge Ignition) type magneto ignition
B.T.D.C. 10° / 1,400min-1 (rpm)
BPR6ES (NGK) / W20EPR-U (DENSO)
1.1 Liters (1.16 US qt, 0.97 Imp qt)
SAE 10W-30 API service classification SJ or later
Recoil, Recoil and Starter motor
Ignition exciter coil circuit open
Horizontal type, butterfly valve
Dual element type, Cyclone type, Oil bath type, Low profile type
Mechanical centrifugal
Unleaded gasoline with a pump octane rating 86 or higher
0.3 Liters (0.32 US qt, 0.26 Imp qt)
GX270U2
GCBMK
8.5: 1
B.T.D.C. 10°- 20°
Forced splash
Forced air
Reed valve type
Centrifugal
1,800 min-1 (rpm)
2,200 min-1 (rpm)
GX270UT2
GCBGT