Yamaha LB 70 Chappy - 1989 Specifications and Reviews
The 1989 Yamaha LB 70 Chappy is a lightweight two-stroke scooter designed for urban commuters and novice riders seeking affordable, economical transportation. Its compact 65cc engine delivers modest performance with a top speed of 72 km/h, making it ideal for city riding and short-distance travel. Known for reliability and low maintenance, the Chappy represents practical Japanese engineering for everyday mobility.
1989
General information | |
| Category | Scooter |
| Year | 1989 |
| Model | Yamaha LB 70 Chappy |
Engine and Transmission Specifications | |
| Exhaust system | single pipe with catalyzer |
| Greenhouse gases | 69.6 CO |
| Fuel consumption | 3.00 litres/100 km (33.3 km/l or 78.41 mpg) |
| Clutch | automatic constant mesh |
| Transmission type,final drive | Chain |
| Gearbox | Automatic |
| Cooling system | Air |
| Lubrication system | Autolube |
| Ignition | mechanical |
| Fuel control | Membrane |
| Fuel system | Carburettor. Mikuni |
| Valves per cylinder | 2 |
| Bore x stroke | 47.0 x 42.0 mm (1.9 x 1.7 inches) |
| Compression | 5.8:1 |
| Max RPM | 6000 |
| Top speed | 72.4 km/h (45.0 mph) |
| Torque | 5.90 Nm (0.6 kgf-m or 4.4 ft.lbs) @ 4000 |
| Power | 4.80 |
| Engine type | Single cylinder, two-stroke |
| Capacity: | 65.00 ccm (3.97 cubic inches) |
| | |
Brakes, suspension, Frame and wheels | |
| Rear brakes | Expanding brake (drum brake) |
| Front brakes | Expanding brake (drum brake) |
| Rear tyre dimensions | 4.00-8-4PR |
| Front tyre dimensions | 4.00-8-4PR |
| Rear suspension | monoshock |
| Front suspension | standard forks |
| Frame type | CrMo steel |
Physical measures and capacities | |
| Reserve fuel capacity | 1.00 litres (0.26 gallons) |
| Fuel capacity | 3.50 litres (0.92 gallons) |
| Wheelbase | 1,050 mm (41.3 inches) |
| Ground clearance | 135 mm (5.3 inches) |
| Overall width | 665 mm (26.2 inches) |
| Overall length | 1,565 mm (61.6 inches) |
| Overall height | 925 mm (36.4 inches) |
| Seat height | 710 mm (28.0 inches) If adjustable, lowest setting. |
| Power/weight ratio | 0.0658 HP/kg |
| Dry weight | 73.0 kg (160.9 pounds) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Color options | yellow |
| Starter | Kick |
Performance Profile & Rider Fit
4.8 hp
Peak Power
45 mph
Top Speed
Best For
Track2%
City55%
Cornering20%
Daily Riding30%
Touring5%
Passenger5%
Rider Profile
| Best For | This tiny minibike-style scooter is best suited to absolute beginners, children under supervision, or adults looking for a fun, low-stakes novelty ride. |
| Purpose | It's designed for short, playful runs around a yard, campsite, or quiet neighborhood rather than any serious transportation task. |
| Rider Fit | Its miniature dimensions, low seat height, and light weight make it easy to handle for smaller or lighter riders, but larger adults will feel cramped and comically oversized. |
| Character | The Chappy has a charming, go-kart-like personality with its knobby small wheels, monoshock rear, and simple automatic clutch making it approachable and unintimidating. |
| Not Ideal For | It is not suitable for anyone wanting real speed, highway travel, long-distance comfort, or carrying a passenger. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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