2 Stroke Origin Portables


yamaha_2_stroke_origin_portable_4c_outboard_engine

Specifications
Engine Specifications: 4CMHS & 4CMHL

Engine Type: 1-cylinder
Displacement: 103cm³
Bore x Stroke: 54.0 x 45.0mm
Compression ratio: 6.5:1
Starting enrichment: Manual choke
Scavenging: Cross Flow
Fuel induction system: 1 Carburettors
Lubrication system: Pre-mixed Fuel and Oil
Oil-Fuel Mixing Ratio: 50:1
Engine oil capacity –
Ignition system: CDI
Ignition timing: BTDC 5.0 – 28.0 deg.
Spark plug: B7HS, BR7HS
Alternator: 60 W (optional)
Cooling system: Raw-water, thermostatically controlled
Exhaust system: Under Water
Dry weight: 21 – 22kg

yamaha_2_stroke_origin_portable_15f_outboard_engine

Specifications
Engine Specifications – 15FMHS & 15FMHL

Engine Type: In-line 2
Displacement: 246cm³
Bore x Stroke: 45.0 x 50.0mm
Compression ratio: 6.8:1
Starting enrichment: Manual choke
Scavenging: Loop Charge
Fuel induction system: 1 Carburettors
Lubrication system: Pre-mixed Fuel and Oil
Oil-Fuel Mixing Ratio: 50:1
Engine oil capacity –
Ignition system: CDI
Ignition timing: ATDC 5.0 – BTDC 30.0 deg.
Spark plug: B7HS-10
Alternator: 80 W
Cooling system: Raw-water, thermostatically controlled
Exhaust system: Through Propeller Boss
Dry weight: 36 – 38kg

yamaha_2_stroke_origin_portable_30h_outboard_engine

Specifications
Engine Specifications: 30HMHS, 30HMHL & 30HWL, 25BMHS & 25BMHL

Engine Type: In-line 2
Displacement: 496cm³
Bore x Stroke: 72.0 x 61.0mm
Compression ratio: 6.2:1
Starting enrichment: Manual choke
Scavenging: Loop Charge
Fuel induction system: 1 Carburettors
Lubrication system: Pre-mixed Fuel and Oil
Oil-Fuel Mixing Ratio: 50:1 (ZAF 100:1)
Engine oil capacity –
Ignition system: CDI
Ignition timing: ATDC 2.0 – BTDC 22.0 deg. ATCD 2.0 – BTDC 25.0 deg.
Spark plug: B7HS-10, B8HS-10
Alternator: 80 W (W, WC: 6 A) 80 W (W, WC, WH: 6 A)
Cooling system: Raw-water, thermostatically controlled
Exhaust system: Through Propeller Boss
Dry weight: 30H53 – 58kg
Dry weight: 25B3 – 57kg

yamaha_2_stroke_origin_portable_40x_outboard_engine

Specifications
Engine Specifications: 40XMHS, 40XMHL, 40XWL & 40XWTL

Engine Type: In-line 2
Displacement: 703cm³
Bore x Stroke: 80.0 x 70.0mm
Compression ratio: 6.0:1
Starting enrichment: Manual Choke
Scavenging: Loop Charge
Fuel induction system: 1 Carburettor
Lubrication system: Pre-mixed Fuel and Oil
Oil-Fuel Mixing Ratio: 50:1 (ZAF 100:1)
Engine oil capacity –
Ignition system: CDI
Ignition timing: ATDC 2.0 – BTDC 23.0 deg.
Spark plug: B7HS
Alternator: MH 80W (optional) W, WT: 6 A
Cooling system: Raw-water, thermostatically controlled
Exhaust system: Through Propeller Boss
Dry weight: 72 – 81kg