Gx270 - Honda GX240RT2 Service And Repair Manual

Part
Carburetor Main jet
Pilot screw opening
Float height
Spark plug Gap
Ignition coil Air gap
Starter motor Brush length
Mica depth
Charge coil Resistance
Lamp coil Resistance

GX270

Part
Engine Maximum speed (at no load)
Idle speed
Cylinder compression
Cylinder head Warpage
Cylinder Sleeve I.D.
Piston Skirt O.D.
Piston-to-cylinder clearance
Piston pin bore I.D.
Piston pin Pin O.D.
Piston pin-to-piston pin bore clearance
Piston rings Ring side clearance
Ring end gap
Ring width
Connecting rod Small end I.D.
Big end side clearance
Big end I.D.
Big end oil clearance
Crankshaft Crank pin O.D.
Crankshaft runout
Cylinder barrel Camshaft bearing I.D.
(Crankcase)
Crankcase cover Camshaft bearing I.D.
gx240ut2_gx270ut2_gx340ut2_gx390ut2
Item
1A
3A
10A
18A
12V - 15 W
12V - 25 W
12V - 50 W
Item
Top
Second
Top
Second
Oil (side rail)
Top
Second
SERVICE INFORMATION
Standard
BE70R A: #85
BE71F A: #85
BE70R A: 1 turn out
BE71F A: 1 turn out
13.2 (0.52)
0.7 – 0.8 (0.028 – 0.031)
0.2 – 0.6 (0.01 – 0.02)
7.0 (0.28)
1.0 (0.04)
3.00 - 4.00
0.62 - 0.93
0.16 - 0.24
0.10 - 0.30
1.04 - 1.56
0.30 - 0.46
0.29 - 0.44
Standard
-1
3,850 ± 150 min (rpm)
-1
1,400 ± 150 min (rpm)
0.59 -0.83 MPa (6.0-8.5 kgf/cm
-1
85-121 psi) / 600 min (rpm)
–
77.000 – 77.017 (3.0315 – 3.0322)
76.975 – 76.985 (3.0305 – 3.0309)
0.015 – 0.042 (0.0006 – 0.0017)
18.002 – 18.008 (0.7087 – 0.7090)
17.994 – 18.000 (0.7084 – 0.7087)
0.002 – 0.014 (0.0001 – 0.0006)
0.030 – 0.060 (0.0012 – 0.0024)
0.030 – 0.060 (0.0012 – 0.0024)
0.200 – 0.350 (0.0079 – 0.0138)
0.350 – 0.500 (0.0138 – 0.0197)
0.2 – 0.7 (0.01 – 0.03)
1.160 – 1.175 (0.0457 – 0.0463)
1.160 – 1.175 (0.0457 – 0.0463)
18.005 – 18.020 (0.7089 – 0.7094)
0.1 – 0.4 (0.004 – 0.016)
33.025 – 33.039 (1.3002 – 1.3007)
0.040 – 0.064 (0.0016 – 0.0025)
32.975 – 32.985 (1.2982 – 1.2986)
–
16.000 – 16.018 (0.6299 – 0.6306)
16.000 – 16.018 (0.6299 – 0.6306)
Service
limit
–
–
–
–
–
3.5 (0.14)
0.2 (0.01)
–
–
–
–
–
–
–
Unit: mm (in)
Service
limit
–
–
2
,
–
0.10 (0.004)
77.17
(3.038)
76.85
(3.026)
0.12 (0.005)
18.042
(0.7103)
17.95
(0.707)
0.08 (0.003)
0.15 (0.006)
0.15 (0.006)
1.0 (0.04)
1.0 (0.04)
1.0 (0.04)
1.140
(0.0449)
1.140
(0.0449)
18.07
(0.711)
1.0 (0.04)
33.07
(1.302)
0.12
(0.005)
32.92
(1.296)
0.1 (0.004)
16.05
(0.632)
16.05
(0.632)