Yamaha Outboard 70ETLF Service Repair Maintenance Factory Professional Manual

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🏷️ Basic Information Identification Make: Yamaha Model: 70ETLF Year: 1989 Generation: First Generation (1980s/early 1990s) 📋 Manual Details Publication Manual Type: Service Repair Maintenance Factory Professional Manual Language: English Features...

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类型: Outboard

斯库: 48223

标签: 70ETLF Marine Outboard Sterndrive Yamaha

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Description

🏷️ Basic Information

Identification

Make:

Yamaha

Model:

70ETLF

Year:

Generation:

First Generation (1980s/early 1990s)

📋 Manual Details

Publication

Manual Type:

Service Repair Maintenance Factory Professional Manual

Language:

English

Features

Format:

PDF Download

Organization:

Step-by-step procedures

Content Scope:

Comprehensive explanations of disassembly, repair, assembly, and inspection

Visual Aids:

Exploded diagrams before disassembly sections

Searchability:

Completely bookmarked and searchable

⚙️ Engine Specifications

General

Engine Type:

2-Stroke

Configuration

Cylinder Configuration:

Inline 3-Cylinder

Capacity

Displacement:

1130 cc (69 cubic inches)

Performance

Power Output:

70 HP @ 5500 RPM

Fuel System

Carburetion:

Triple Carburetors

Cooling System

Cooling Method:

Water-Cooled

🔧 Transmission

Gear Reduction

Gear Ratio:

2.15:1 (Typical for this model)

Operation

Shift Controls:

Forward, Neutral, Reverse

🔧 Maintenance

Lubrication

Gearcase Oil Capacity:

Approximately 750ml (25.4 US fl oz)

Recommended Gearcase Oil:

Yamalube Gearcase Oil (or equivalent marine-grade gear oil)

Ignition

Spark Plug Gap:

0.8mm (0.031 inches)

Recommended Spark Plug:

NGK BR6HS-10 (or equivalent)

Fuel System

Fuel Type:

Unleaded Gasoline

Recommended Fuel Octane:

87 Octane (87 AKI)

Oil Fuel Ratio:

50:1 (Pre-mix for 2-stroke)

Cooling System

Water Pump Impeller Replacement Interval:

Every 2-3 years or 200 hours (whichever comes first)