BRP Rotax 4-TEC 150 - Top Speed and Noise Troubleshooting

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Troubleshooting Guidelines
9. Water in fuel.
- Siphon and replace.
BOAT CANNOT REACH TOP SPEED
1. Jet pump water intake clogged.
- Clean. Refer to JET PUMP WATER INTAKE AND IMPELLER CLEANING PROCEDURE
in SPECIAL PROCEDURES section.
2. Damaged impeller or worn-out wear ring.
- Replace. Refer to an authorized Rotax 4-TEC marine engine dealer.
3. Faulty supercharger or intercooler.
- Seek service from an authorized Rotax Jet Propulsion dealer, repair shop, or person of
your own choosing for maintenance, repair, or replacement. Please refer to the US EPA
EMISSION-RELATED WARRANTY contained herein for information about warranty claims.
4. Engine management system fault detected (check if engine pilot lamp is ON).
- Seek service from an authorized Rotax Jet Propulsion dealer, repair shop, or person of
your own choosing for maintenance, repair, or replacement. Please refer to the US EPA
EMISSION-RELATED WARRANTY contained herein for information about warranty claims.
ABNORMAL NOISE FROM PROPULSION SYSTEM
1. Weeds or debris jammed around impeller.
- Perform the JET PUMP WATER INTAKE AND IMPELLER CLEANING PROCEDURE in
SPECIAL PROCEDURES.
2. Damaged impeller or drive shaft.
- Contact an authorized Rotax 4-TEC marine engine dealer.