Crankshaft Assembly for Sea-Doo Sportster 720 1996-2000

Crankshaft Assembly for Sea-Doo Sportster 720

This crankshaft assembly is a direct replacement component for the Sea-Doo Sportster 720, designed to restore proper engine rotation and power delivery in 1996 through 2000 models.

Overview

The crankshaft assembly for Sea-Doo Sportster 720 is a complete rotating assembly that converts piston motion into drive output on the 720 engine platform. It serves riders and mechanics rebuilding a 1996 to 2000 Sportster who need a dependable crankshaft assembly for Sea-Doo watercraft. Each unit is built to original dimensional standards so the Sea-Doo Sportster 720 crankshaft assembly drops into the crankcase without guesswork.

Built For Performance

• Complete assembly with connecting rods and bearings pre-installed for faster rebuilds
• Machined journals held to tight tolerances for smooth rotation at high RPM
• Heat-treated steel construction for durability under continuous marine load
• Balanced to reduce vibration across the 720 engine's operating range
• Seal surfaces finished for proper crank seal seating and leak resistance

Fits These Machines

• for Sea-Doo Sportster 720 (1996-2000)

On-The-Job Use

• Engine rebuilds after bottom-end failure or bearing seizure
• Top-to-bottom restoration of a 1996-2000 Sportster
• Freshwater and saltwater recreational riding
• Shop service work on 720 Rotax powerplants

Specs At A Glance

Good To Know

Q: Does this crankshaft assembly include connecting rods? A: Yes, this is a complete assembly intended to replace the entire crank unit during a bottom-end rebuild. Q: Do I need to check my engine serial number before ordering? A: Yes, Sea-Doo used several 720 configurations across these years, so confirm your serial number and engine code match before purchase.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.