2 Stroke Origin Midrange


yamaha_2_stroke_origin_midrange_50h_outboard_engine

Specifications
Engine Specifications: 50HMHOS & 50HETOL

Engine Type: In-line 3
Displacement: 698cm³
Bore x Stroke: 67.0 x 66.0mm
Compression ratio: 6.1:1
Starting enrichment: MHO, MHD: Manual choke WHTO, ET, ETO: Prime Start
Scavenging: Loop Charge
Fuel induction system: 3 Carburettors
Lubrication system: ET: MHD Pre-mixed fuel and oil MHO, WHTO, ETO: Oil injection
Oil-Fuel Mixing Ratio: MHD 50:1
Engine oil capacity: MHO, WHTO, ETO: 1.5L
Ignition system: CDI
Ignition timing: ATDC 7.0 – BTDC 25.0 deg.
Spark plug: B7HS-10, B8HS-10
Alternator: ETO WHTO: 6A
Cooling system: Raw-water, thermostatically controlled
Exhaust system: Through Propeller Boss
Dry weight: 75 – 93kg

yamaha_2_stroke_origin_midrange_70b+60f_outboard_engine

Specifications
Engine Specifications – 70BETOL & 60FETOL

Engine Type: In-line 3
Displacement: 849cm³
Bore x Stroke: 72.0 x 69.5mm
Compression ratio: 6.1:1
Starting enrichment: Prime Start
Scavenging: Loop Charge
Fuel induction system: 3 Carburettors
Lubrication system: ET Pre-mixed Fuel and Oil, ETO: Oil Injection
Oil-Fuel Mixing Ratio: ET 50:1
Engine oil capacity: ETO 2.8L
Ignition system: CDI
Ignition timing: ATDC 7.0 – BTDC 22.0 deg.
Spark plug: B8HS-10, BR8HS-10
Alternator: 6 A
Cooling system: Raw-water, thermostatically controlled
Exhaust system: Through Propeller Boss
Dry weight: 106 – 108kg

yamaha_2_stroke_origin_midrange_85a_outboard_engine

Specifications
Engine Specifications – 85AEDL, 85AETL, 85AEDX & 85AETX

Engine Type: In-line 3
Displacement: 1140cm³
Bore x Stroke: 82.0 x 72.0mm
Compression ratio: 5.1:1
Starting enrichment: Manual Choke
Scavenging: Loop Charge
Fuel induction system: 3 Carburettors
Lubrication system: Pre-mixed Fuel and Oil
Oil-Fuel Mixing Ratio: 50:1
Engine oil capacity –
Ignition system: CDI
Ignition timing: DTDC 2.0 – BTDC 24.0 deg.
Spark plug: B8HS-10, BR8HS-10
Alternator10 A
Cooling system: Raw-water, thermostatically controlled
Exhaust system: Through Propeller Boss
Dry weight: 111 – 124kg

yamaha_2_stroke_origin_midrange_85a_outboard_engine

Specifications
Engine Specifications – 90AETOL

Engine Type: In-line 3
Displacement: 1140cm³
Bore x Stroke: 82.0 x 72.0mm
Compression ratio –
Starting enrichment: Prime Start
Scavenging: Loop Charge
Fuel induction system: 3 Carburettors
Lubrication system: Oil Injection
Oil-Fuel Mixing Ratio –
Engine oil capacity: 3.3L
Ignition system: CDI
Ignition timing: ATDC 8.0 – BTDC 22.0 deg.
Spark plug: 8HS-10
Alternator: 10 A
Cooling system: Raw-water, thermostatically controlled
Exhaust system: Through Propeller Boss
Dry weight: 121 – 126kg