FOR SALE 2002 Sea-Doo 4-Tec 155 HP Short Block Engine. Naturally aspirated 155 HP performance with guaranteed reliability.

The 2002 Sea-Doo 4-TEC 155 OEM 1503 (Rotax 1494cc) short block is a 3-cylinder, 4-stroke naturally aspirated engine. It utilizes cast flat-top pistons, giving a high compression ratio of 10: 1 to 10.6: 1, and features a 100 mm bore and a 63.4 mm stroke.

Core specifications :

• Engine Type : 4-stroke, 3-cylinder, naturally aspirated
• Displacement : 1,494 cm³ (1.5L)
• Bore x Stroke : 100 mm X 63.4 mm (3.937 in X 2.496 in)
• Compression Ratio : 10: 1 to 10.6: 1 (dependent on exact gasket and model setup)
• Valvetrain : SOHC, 4-valves per cylinder
• Pistons : Cast flat-top (naturally aspirated configuration)
• Crankshaft : Forged steel
• Factory Horsepower Rating : 155 HP