1993-1997 Yamaha Wave Blaster / Wave Blaster 2 Service & Repair Manual (OEM)
Yamaha Models Covered & Key Technical Specifications
Models: Yamaha Wave Blaster, Yamaha Wave Blaster 2
Model Years: 1993–1997
Serial Numbers: GR7: 900101– (USA, CAN), 910101– (FRA), 930101– (GAM, AUS); Engine Serial Number 64U: 000101–, 62E: 000101–; Pump Serial Number 64U: 500101–, 62E: 500101–
Technical Data:
- Engine: 701 cc (42.78 cu in) 2-stroke, 2-cylinder, water-cooled
- Carburetor: 2-carburetor floatless type
- Ignition: C.D.I. magneto, 15° BTDC–21° BTDC timing
- Starter: Electric starter motor (SM13237/MITSUBA)
- Battery: 12V 19 AH
- Fuel: Regular gasoline with 50:1 oil mixing ratio
- Impeller Clearance: 0.2–0.6 mm (0.008–0.024 in)
Yamaha Manual Features & Content Preview
Getting the factory specs right on a 701 cc 2-stroke engine is critical. This manual covers the 1993-1997 Yamaha Wave Blaster and Wave Blaster 2 personal watercraft variants, delivering the exact reference data required for major engine, electrical, and propulsion system service intervals. Before starting any teardown, always review the manufacturer safety protocols outlined in the documentation to prevent personal injury or equipment damage. Please note that this description highlights the manual contents and reference data, rather than providing step-by-step repair instructions directly.
- Contains 47 exploded-view diagrams mapping out specific assemblies.
- Features 15 maintenance specification tables for quick bench reference.
Component and Systems Overview
Whether you run a professional shop or work out of your own garage, having accurate diagnostic data saves time. The documentation breaks down all primary service areas for the series. Fuel system sections map out precise carburetor adjustments, fuel line routing, and filter inspection procedures. Moving to the power unit, the chapters detail reed valve servicing, piston ring verification, and the exact steps for engine removal. For the jet unit, you will find information covering impeller clearance tolerances, drive shaft maintenance, and bearing installation. Electrical system charts lay out CDI magneto resistance values, lighting coil output, and starter motor specifications.
Specification and Reference Values
Precision is everything when rebuilding PWC engines. The publication provides comprehensive torque tables for engine and jet pump fasteners, covering values from 1 Nm to 70 Nm. If you need to check engine health, the cylinder compression pressure reference is set at 940 kPa. For routine tune-ups, the maintenance tables document the exact spark plug gap (0.7-0.8 mm) and note a valve stopper height of 9.0 mm for reed valve service. Finally, ignition system performance relies on a battery specific gravity maintained at 1.28.
Customer Reviews
Read what our customers say about this Yamaha Personal-Watercraft-PWC manual and share your own experience.