Aprilia Pegaso 650 1997 Factory Service Manual (P/N 942V)
Aprilia Models Covered & Key Technical Specifications
Models: Aprilia Pegaso 650
Sub-models / Variants: Normal version, Catalytic version, United Kingdom version, Austria version, Switzerland version
Model Years: 1997
Technical Data:
- Engine: Rotax 655, 4-stroke, single-cylinder, 5-valve, dry-sump lubrication
- Displacement: 651.88 cc
- Bore and stroke: 100 mm / 83 mm
- Compression ratio: 9 ± 0.5 : 1
- Cooling: Liquid-cooled
- Starting: Electric
- Clutch: Multiple disc in oil bath
- Transmission: 5-speed mechanical gearshift
- Fuel system: Mikuni BST 33 carburettors, gravity feed
- Fuel tank capacity: 22 liters (including 4 liters reserve)
- Engine oil capacity: 2200 cc (oil and filter change)
- Spark plug: NGK DR 8 EA - NGK DR 8 ES
- Spark plug gap: 0.6–0.7 mm
Aprilia Manual Features & Content Preview
- Official 311-page OEM publication (first edition, March 1997, form number 942V).
- Covers 1997 Aprilia Pegaso 650 variants, including standard, catalytic, and specific regional configurations like the UK, Austria, and Switzerland.
- Features four detailed exploded-view diagrams of the fuel and engine assembly.
- Includes over 20 specific tightening-torque tables for precise component reassembly.
- Establishes the exact baseline service standards used during the initial 1997 model year production.
Manual Content Breakdown
Having accurate factory data eliminates guesswork on the shop floor. This documentation details the maintenance protocols for all major systems on the 1997 Aprilia Pegaso 650. You get comprehensive specifications for the engine, fuel supply, cooling, electrical, and chassis components. The manual lays out exact baseline service intervals for the renowned Rotax 655 single-cylinder powerplant. It covers specialized inspection routines for the dry-sump lubrication system alongside external engine cases. Since powersports maintenance involves critical mechanical systems and inherent physical risks, technicians must always verify their lift setup and adhere to standard workshop safety protocols before applying these factory numbers.
Additional chapters map out vital technical data for cooling system upkeep. You will find parameters for the radiator, coolant expansion tank, and hose routing. Electrical sections provide testing values for the ignition, battery, and lighting circuits. For the chassis, the reference material outlines front and rear suspension adjustments, braking system tolerances, and required tire pressures.
Specification Highlights
Quick access to accurate fluid capacities and torque figures keeps repair jobs moving efficiently. The engine oil capacity is documented at exactly 2200 cc for a complete filter change. Aprilia specifically recommends IP SUPERBIKE 4 SAE 5W-40 for this system. Fastener torque is heavily emphasized. For instance, the cylinder head exhaust manifold nuts require a prescribed driving torque of 25 Nm. Intake and exhaust parameters are clearly organized within the engine section. You will also find precise spark plug replacement data and exact valve clearance settings sourced directly from the manufacturer.
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