SERVICE INFORMATION SRM-5000
2
1 SERVICE INFORMATION
1-1 Specifications
Model SRM-5000(L) SRM-5000(U)
Dimensions Length* mm(in) 1860 (73.2) 1860 (73.2)
Width mm(in) 325 (12.8) 700 (27.6)
Height mm(in) 265 (10.4) 430 (16.9)
Dry weight** kg(lb) 8.3 (18.30) 8.7 (19.18)
Engine Type
KIORITZ, air-cooled, two-stroke, single cylinder
Semi-automatic decompression
Rotation Anticlockwise as viewed from the output end
Displacement cm
3
(in
3
) 51.7 (3.155)
Bore mm(in) 44.0 (1.732)
Stroke mm(in) 34.0 (1.339)
Compression ratio 6.9 : 1
Carburettor Type Rotary type : Diaphragm, horizontal-draught, with primer
††
Model Walbro WYK-227
Venturi size-Throttle bore mm(in) 13.5 - 15.0 (0.531 - 0.591)
Metering diaphragm pressure Lead pressure from inside of cleaner case
Ignition Type
CDI (Capacitor discharge ignition) system
in a single integrated
piece, with electronic timing advancer and speed governer
Spark plug RCJ-6Y
Starter Type Automatic rewind
Rope diameter x length mm(in) 3.8 x 1150 (0.15 x 45.3)
Fuel Type Premixed two-stroke fuel
Mixture ratio 50 : 1 (2 %)
Petrol Minimum 89 octane petrol (RON)
Two-stroke air cooled engine oil ISO-L-EGD (ISO/CD13738), JASO FC
Tank capacity L (U.S.fl.oz.) 1.0 (33.8)
Clutch Type Centrifugal, 2 - shoe pivot
Handle Type Front Crescent loop w/cushion grip U-shaped
Rear Integrated control grip w/cushion - - -
Drive shaft Type Solid (Spline shaft)
Diameter - Length mm(in) 8 - 1590 (0.31 - 62.6)
Housing OD -ID mm(in) 28 - 24 (1.10 -0.94)
(Main pipe) Length mm(in) 1530 (60.2)
Gear case Reduction ratio 1.33
Gear tooth Spiral bevel gear
Lubrication Lithium based grease
Cutter Type Nylon line cutter, 3-tooth blade
†
, Others
Pilot diameter mm(in) 25.4 (1.0)
Fastener type, size mm Left-hand thread nut, M10 x 1.25 pitch
Cutting rotation Anticlockwise as viewed from top
OD: Outer diameter. ID: Inner diameter.
* Without shoulder harness and cutter head. ** With standard cutter head, without shoulder harness.
†
Install and use U-shaped handle when operating with steel blade.
††
Primer is on cleaner case.