engine, rotax 1503 4-tec - Sea-Doo.net

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Section 01 ENGINES (1503 4-TEC)Subsection 04 (LUBRICATION SYSTEM)1R1503motr141A 2TYPICAL1. Rotary seal2. Rotary seal pusher1R1503motr143A1. Coolant/oil pump shaft with oil seal guide2. Rotary seal pusher2Install the coolant/oil pump shaft using the rotaryseal pusher (P/N 529 035 823) on the opposite sideto support the rotary seal. Use the oil seal guide(P/N 529 035 822) with a press.Tighten oil pump cover screws and torque to10 N•m (89lbf•in). Apply Loctite 243 (P/N 293800 060) on threads.Final TestAfter engine is completely reassembled, start engineand make sure oil pressure is within specifications.R1503motr142A 21. Oil seal guide2. Coolant/oil pump shaft1OIL SUCTION PUMPThe oil suction pump is located on the front sideof the engine at the bottom of the oil separator.Removal– Remove ventilation hose no. 7.54 SMR2005-035
Section 01 ENGINES (1503 4-TEC)Subsection 04 (LUBRICATION SYSTEM)1 WARNINGWear safety glasses and work in a wellventilated area when working with strongchemical products. Also wear suitable nonabsorbentgloves to protect your hands.– Remove the oil suction pump cover with oil separatorhousing and his cover.NOTE: On the supercharged intercooled engine,theoilsuctionpumpcoverandoilseparatorisaone-piece design.– Remove oil pump screws no. 27 and coverno. 28.R1503motr133ATYPICAL — NATURALLY ASPIRATED ANDSUPERCHARGED ENGINES1. Ventilation hose1R1503motr135A1TYPICAL1. Oil pump coverR1503motr374A– Remove oil pump shaft ass'y no. 29.– Remove outer rotor no. 30.SUPERCHARGED INTERCOOLED ENGINES1. Ventilation hose– Disconnect wiring harness from OSPS no. 9and TOPS valve no. 8.– Detach intake hose from throttle body (naturallyaspirated engine only).– Remove other required parts from vehicle toaccess the oil suction pump housing.– Remove retaining screws no. 10 and no. 11.– Place rags under cover to prevent spillage. Ifspillage occurs, clean with the pulley flangecleaner (P/N 413 711 809).SMR2005-035 55
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2005Engine Shop ManualROTAX ® 1503
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TABLE OF CONTENTSSAFETY NOTICE.....
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SAFETY NOTICESAFETY NOTICEThis manu
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INTRODUCTIONARRANGEMENT OF THISMANU
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INTRODUCTIONTYPICAL PAGESub-title w
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Section 01 ENGINES (1503 4-TEC)Subs
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