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5. Maintenance

1)  MAINTENANCE CHART

Before Every  Every 

Items

Action

Use

25 hours

100 hours

Note

Leakage, 

Check

Damage/Crack

Idling Speed

Check/Adjust

Air-cleaner

Check/Cleaning

Replace if necessary

Spark Plug(gap)

Check/Adjust

Cylinder(barrel)

Check/Cleaning

Piston, Ring

Check/Cleaning

Muffler & Bolt

Check/Cleaning

Bearings

Check/Cleaning

Crank Shaft

Check/Alignment

2)  SPECIFICATIONS AND TECHNICAL DATA

Items

Unit

G230RC

G260RC

Remarks

Bore x Stroke

mm

32 x 28

34 x 28

Displacement

cm

3

22.5

25.4

Effective Compression Ratio

9.2

8.8

Type

Walbro WT

Carburetor

Venture(mm)

ø12.7

Starting

Recoil Starter

Type

TCI

Ignition

Timing

BTC 30°/8000rpm

Standard

RZ7C

CHAMPION

CR8HVX

with Terminal Nut

Option(Hot Type)

CMR6H

Clutch Engagement Speed

rpm

6000

No load max Speed

rpm

19500

Idling Speed

rpm

4000

Without Air Cleaner

Max. Power

kW/rpm

2.15/14000

2.20/14000

and Muffler

Max. Torque

N.m/rpm

1.79/10000

1.87/10000

Fuel Consumption

g/kW·h

750 (550)

765 (565)

Carburetor

H

1 3/4 ± 1/4

Standard setting

L

1 1/2 ± 1/4

5

NGK

Option(For Race)

Spark Plug

Содержание Komatsu G260RC

Страница 1: ...enoah assumes that no responsibility for this engine that is modified or used for any other applications Purchaser has all responsibility against any laws and regulations existing in the country Komat...

Страница 2: ......

Страница 3: ...ne is very flammable Avoid smoking bringing any fires near fuel 3 To prevent all possible problem on fueling system make sure to use the fuel filter and fuel pipe packed as accessories WARNING Engine...

Страница 4: ...ition choking may not be necessary Over choking may cause starting difficulty due to wet spark plug In this case change spark plug or dry it and remove fuel rest in the cylinder by pulling starter IMP...

Страница 5: ...0RC G260RC Remarks Bore x Stroke mm 32 x 28 34 x 28 Displacement cm3 22 5 25 4 Effective Compression Ratio 9 2 8 8 Type Walbro WT Carburetor Venture mm 12 7 Starting Recoil Starter Type TCI Ignition T...

Страница 6: ...1 8 05 Cylinder Gauge Clearance between Piston and 0 03 0 06 0 15 0 03 0 06 0 15 Cylinder mm Clearance between Groove and 0 02 0 04 0 1 0 02 0 04 0 1 Thickness Gauge Piston Ring mm End Gap mm 0 05 0 2...

Страница 7: ...tween sparking cord end and iron core 6 TIGHTENING TORQUE Items Screw Size Standard kg cm Limit kg cm Remarks Carburetor M5 P 0 8 35 30 40 Insulator M5 P 0 8 35 30 40 with Locktight glue Clutch M6 P 1...

Страница 8: ...tor 2 Piston Stopper 4810 96220 3 Rod Assy 1101 96220 To remove install piston pin 4 Air Gap Gauge 3330 97310 To set ignition coil 5 Hex Wrench 3304 97611 6 Snap Ring Pliers 5500 96110 To remove snap...

Страница 9: ...ROTOR FAN 4 Remove the rotor nut 12mm Hex 5 Remove the rotor using the puller assy 2890 96100 Apply 8mm puller bolts 3 ASSEMBLING ROTOR Insert the gauge 3330 97310 in between the rotor magnet metal an...

Страница 10: ...on to the exhaust side 2 Fit the circlip in the groove so as to face the end gap below Deformed circlip may come off during engine operation and damage the engine 6 CARBURETOR ADJUSTMENT The carbureto...

Страница 11: ...out cylinder piston or piston ring Exchange poor compression 2 Gas leakage from cylinder and crank case gasket Apply liquid gasket and reassemble No fuel supply 1 Choked breather air hole Cleaning 2...

Страница 12: ...10 Parts list G230RC 12 G230RC...

Страница 13: ...1 CRANKSHAFT C 1 27 1650 43230 NUT 1 M8x1 0 28 1000 43240 KEY 1 29 1140 43250 SIM 1 30 1140 51111 SHOE 2 31 T2070 51220 SPRING 1 6000rpm IN 32 1140 51250 SCREW 2 M6x22L 33 1140 51230 WASHER 2 34 1140...

Страница 14: ...10 Parts list G230RC 14 G230RC...

Страница 15: ...REEN 1 95 3304 81441 RING 1 96 3360 81440 PLUG 1 98 T2070 82410 LEVER 1 99 T2070 82510 SPACER 1 100 0263 90560 SCREW 2 M5x60L 101 0263 90550 SCREW 2 M5x50L 102 T2070 82000 CLEANER A 1 103 5731 82011 H...

Страница 16: ...10 Parts list G260RC 16 G260RC...

Страница 17: ...1 CRANKSHAFT C 1 27 1650 43230 NUT 1 M8x1 0 28 1000 43240 KEY 1 29 1140 43250 SIM 1 30 1140 51111 SHOE 2 31 T2070 51220 SPRING 1 6000rpm IN 32 1140 51250 SCREW 2 M6x22L 33 1140 51230 WASHER 2 34 1140...

Страница 18: ...10 Parts list G260RC 18 G260RC...

Страница 19: ...REEN 1 95 3304 81441 RING 1 96 3360 81440 PLUG 1 98 T2070 82410 LEVER 1 99 T2070 82510 SPACER 1 100 0263 90560 SCREW 2 M5x60L 101 0263 90550 SCREW 2 M5x50L 102 T2070 82000 CLEANER A 1 103 5731 82011 H...

Страница 20: ...OF COMPENSATION 1 KZ compensates such quality material and production faults by repairing or replacing 2 KZ shall not compensate any other accompanied or benefit losses caused to user and distributor...

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