68F-81800-04-00 Yamaha Starter Motor HPDI | Genuine Used Part

🔧 Product Description

Genuine Yamaha HPDI Starter Motor Assembly - Part Number: 68F-81800-04-00

A genuine Yamaha starter motor used on Yamaha HPDI direct-injection two-stroke outboards. This 13-tooth starter motor family is commonly used on Z150, LZ150, Z175, Z200 and LZ200 HPDI engines.

⚙️ Key Features

• Genuine Yamaha HPDI starter motor assembly
• Correct Yamaha part number 68F-81800-04-00
• Later reference in the 68F-81800 HPDI starter family
• 13-tooth drive gear
• Used on Yamaha 150HP, 175HP and 200HP HPDI two-stroke outboards

🚤 Compatibility

Commonly used on

• Yamaha HPDI direct-injection two-stroke outboards
• Yamaha Z-series and LZ-series 2.8L HPDI starter systems

Typically suits

• Engine models:
• Yamaha Z150 HPDI two-stroke starter applications
• Yamaha LZ150 HPDI two-stroke starter applications
• Yamaha Z175 HPDI two-stroke starter applications
• Yamaha Z200 HPDI two-stroke starter applications
• Yamaha LZ200 HPDI two-stroke starter applications
• Yamaha Z150 / Z175 / Z200 direct-injection engine families using the 68F starter motor
• Yamaha 150HP / 175HP / 200HP HPDI 2.8L starter systems using 68F-81800-04-00
• HP Range: commonly 150HP - 200HP
• Engine Type: Yamaha V6 HPDI direct-injection two-stroke outboard
• Year Range: approximately 1999-2013 depending on model and market
• Starter Type: 12V, 13-tooth starter motor family

🔌 Function

The starter motor engages the flywheel ring gear and cranks the HPDI engine during electric starting. Correct starter speed is important for HPDI engine start-up and ECU-controlled fuel delivery.

⚠️ Common Signs of Failure

• Slow cranking or no crank
• Starter relay clicks but motor does not turn
• Starter pinion slipping or grinding
• HPDI hard-start condition caused by low cranking speed
• High current draw during starting
• Worn brushes, armature, bearings or drive gear

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 68F-81800-04-00 later Yamaha HPDI starter motor reference
• 68F-81800-03-00 related Yamaha HPDI starter motor reference
• 68F-81800-01-00 related earlier HPDI starter motor reference
• 68F-81800-00-00 earlier Yamaha HPDI starter motor reference

OEM / Related Numbers

• 68F-81800-04-00
• 68F-81800-04
• 68F818000400
• 68F-81800-03-00
• 68F-81800-03
• 68F-81800-01-00
• 68F-81800-01
• 68F-81800-00-00
• 68F-81800-00
• Mercury / Quicksilver aftermarket cross reference: 8M6007429

Aftermarket / Verified Equivalents

• ARCO: 3431
• Sierra: 18-6426
• API Marine / aftermarket reference: PH130-0056
• Aftermarket reference: 68F-81800-00 / 68F-81800-03 / 68F-81800-04
• Mercury / Quicksilver aftermarket cross reference: 8M6007429

📦 Condition

• Genuine used part
• Removed from running engine where applicable
• In good working condition unless otherwise stated