Complete Service Kit for Yamaha 6HP & 8HP 2-Stroke Outboards (1984 & Newer)
Covers models with serials: 6G1, 6N0, 6M8, 6H6, 6H8, 6M9, 6CMH, 6CWH, 6MSH, 6DMH, 8CMH, 8CWH, 8MSH, 8MH

This all-in-one service kit includes everything you need for a standard maintenance routine on your Yamaha 6HP or 8HP 2-stroke outboard. Ideal for annual servicing, it includes quality parts for cooling, ignition, fuel, and gearbox upkeep.

If your outboard was made between 1984–1993, it may require different spark plugs. Please contact us to swap them if needed.
Standard kit includes: 2 x NGK BR7HS-10 spark plugs

Kit Includes:
• 1 x Impeller
• 2 x NGK BR7HS-10 Spark Plugs
• 2 x Gearbox Oil Drain Seals
• 1 x Thermostat
• 1 x Thermostat Gasket
• 1 x Fuel Filter
• 1 x Impeller Gasket
• 1 x Gearbox Anode
• 1 x 250ml Yamalube Gearbox Oil Tube
• 1 x 500g Rock Oil Marine Grease

Compatible Yamaha 2-Stroke Outboards:
• 6HP & 8HP — All 2-stroke models from 1984 onward
• Serial prefix codes: 6G1, 6N0, 6M8, 6H6, 6H8, 6M9, 6CMH, 6CWH, 6MSH, 6DMH, 8CMH, 8CWH, 8MSH, 8MH

⚓ Why Buy from SSI Marine?

• Premium marine service kits in UK stock
• Same-day dispatch on weekday orders before 1PM
• Tracked delivery with every order
• Friendly, expert support

Maintain your Yamaha outboard the right way — with SSI Marine’s reliable, ready-to-use service kits.

SSI KIT288

Service Kit 6, 8hp for Yamaha outboard 6C 6D 8C 2 stroke 1984 & up