Moto Guzzi V65 CUSTOM (1982–1987) — Specs
Identity
Manufacturer: Moto Guzzi
Model: V65 CUSTOM
Category: Motorcycle
Type: Motorcycle
Years: 1982 → 1987
Engine
Displacement (cc): 643
Cylinders: 2
Power (hp): 47
Power (kW): 35
Torque (Nm): 50
Dimensions
Overall length: 2150 mm
Overall width: 810 mm
Overall height: 1180 mm
Wheelbase: 1450 mm
Ground clearance: 155 mm
Weight (kg): 166
Tires
Front tire: 3.25-18
Rear tire: 3.50-18
Front pressure (bar): 2
Rear pressure (bar): 2.2
Drivetrain
Final drive: Shaft drive
Ignition
Spark plug: NGK BP8ES
Plug gap: 0.6 mm
Fluids & Filters
Engine oil: 10W-50
Engine oil (with filter, L): 2
Oil filter: OEM oil filter
Air filter: OEM air filter
Brake fluid: DOT 4
Service
Battery: OEM battery specification
Service interval (km): 10000
Service interval (months): 12
Valve check (km): 24000
Parts and consumables for this motorcycle
Data is gathered with care, but without guarantee. Always confirm critical information with your dealer or workshop.
Service notes
Service interval: every 10,000 km or 12 months, whichever comes first. Valve clearance check every 24,000 km. Valve clearance — intake cold 0.10-0.15 mm, exhaust cold 0.15-0.20 mm. Engine oil: oil grade 10W-50, 2 L with filter change. Spark plug: NGK BP8ES (gap 0.6 mm). Brake fluid: DOT 4. Drive: shaft drive. Tire pressure: front 2 bar, rear 2.2 bar (cold). Tire size: front 3.25-18, rear 3.50-18. Always confirm critical values with the workshop manual or an authorised dealer.
OEM and quality aftermarket parts that fit this bike. Always confirm with your dealer before ordering.
Engine oil
Spec: 10W-50, 2.0 L (with filter)
- OEM OEM recommended engine oil
- Premium Motul 7100
- Premium Motul 5100
Which Motul for this bike?
| Motul 7100 4T ✓ | Motul 5100 4T | |
|---|---|---|
| Product | Motul 7100 4T — 100% fully synthetic | Motul 5100 4T — semi-synthetic |
| Best for | Sport, Naked, Adventure (600cc+), track | Standard, Cruiser, Scooter, daily use |
| RPM protection | Excellent — ester base, stable under load | Good — for normal riding conditions |
- Standard Repsol Moto Racing 4T
- Standard Elf Moto 4 Tech
Fully Synthetic vs Semi-Synthetic
| Fully Synthetic | Semi-Synthetic | |
|---|---|---|
| Base oil | 100% chemical synthesis (ester or PAO) | Mineral oil + synthetic additives |
| Heat resistance | Excellent — stable at extreme heat & RPM | Good — suitable for normal temperatures |
| Cold start | Better — reaches engine faster when cold | Good — adequate for normal climates |
| Change interval | Longer (up to 10,000 km) | Shorter (5,000–7,000 km typical) |
| Price | Higher | Lower |
Oil filter
Air filter
Spark plug
Spec: NGK BP8ES, gap 0.6 mm
- OEM NGK BP8ES
- Premium NGK BP8ESIX
- Standard NGK BP8ES
Front brake pads
Rear brake pads
Front tire
Spec: 3.25-18, 2.0 bar
- OEM OEM 3.25-18
Rear tire
Spec: 3.50-18, 2.2 bar
- OEM OEM 3.50-18
Battery
- Premium Yuasa YTX12-BS or YTZ10S (typical 500-750cc)
Brake fluid
Spec: DOT 4
- Standard TotalEnergies HBF4
Coolant
Service interval
Spec: 10 000 km / 12 months
- OEM Engine oil + oil filter change
- OEM Air filter inspection
- OEM Spark plug check
- OEM Brake fluid replacement: every 2 years
Valve check
Spec: 24 000 km
- OEM Intake clearance: cold 0.10-0.15 mm
- OEM Exhaust clearance: cold 0.15-0.20 mm
Suspension
Spec: 70 ml SAE 15W
- OEM Fork oil grade: 70 ml SAE 15W
Drive chain
