Yamaha YZ85 LW Specs (Top Speed | Horsepower | Weight)

The Yamaha YZ85 LW motorcycle specifications include a 84.7 cc (5.17 cu in) engine and a listed weight of 66 kg (145.5 lb).

Key specifications

2007, 2008, 2010Model years
85 ccDisplacement
66 kgDry weight
864 mmSeat height
5 LFuel tank
1,255 mmWheelbase
351 mmGround clearance
Model years covered
200720082010
Year-specific specification changes

The 2007 model is treated as the standard specification. Only later model years with a different supplied value are shown below.

Front suspension
2010Inverted fork
Front tire
200870/70-M17
201070/100-M17
Fuel system
2010Carburettor. Keihin PWK 28
Rear suspension
2010wingarm (link suspension)
Rear tire
200890/70-M14
201090/100-M14
Wheelbase
20101,257 mm (49.5 inches)
Front wheel travel
2008110 mm (4.3 inches)
2010274 mm (10.8 inches)
Fuel capacity
20104.92 L (1.30 US gal)
Overall length
20101,821 mm (71.7 inches)
Overall width
2010785 mm (30.9 inches)
Rear wheel travel
200895 mm (3.7 inches)

How the Yamaha YZ85 LW compares

This compares the motorcycle with all Yamaha models in this specifications database. The blue marker is this model and the grey line is the Yamaha database average.

Displacement85 cc
Low 49 ccAverage 550 ccHigh 1,852 cc

About 85% lower than the Yamaha database average. Around the 9th percentile across Yamaha models.

Seat height864 mm
Low 635 mmAverage 793 mmHigh 989 mm

About 9% taller than the Yamaha database average. Around the 87th percentile across Yamaha models.

Fuel capacity5 L
Low 4 LAverage 13 LHigh 24 L

About 62% smaller than the Yamaha database average. Around the 8th percentile across Yamaha models.

This model Yamaha database average

Yamaha database percentile rankings

Percentiles show where this motorcycle sits across the Yamaha specifications database. They are descriptive database rankings, not performance ratings.

Displacement9th

85 cc — larger displacement than about 9% of Yamaha models.

Seat height87th

864 mm — taller than about 87% of Yamaha models.

Fuel capacity8th

5 L — larger than about 8% of Yamaha fuel tanks in this database.

Dimensions compared with Yamaha average

Each measurement is compared with the average value across Yamaha models where that dimension is available.

Overall length1,818 mm
This bike

1,818

Yamaha avg

2,082

13% below average.

Overall width758 mm
This bike

758

Yamaha avg

823

8% below average.

Overall height1,161 mm
This bike

1,161

Yamaha avg

1,172

Close to average.

Wheelbase1,255 mm
This bike

1,255

Yamaha avg

1,416

11% below average.

Seat height864 mm
This bike

864

Yamaha avg

793

9% above average.

Ground clearance351 mm
This bike

351

Yamaha avg

181

94% above average.

Mechanical overview

Engine layout snapshot

Single cylinder, two-stroke • 85 cc • Liquid cooled
Chassis snapshot

Wheelbase 1,255 mmSeat 864 mmClearance 351 mm
Chain (final drive) • 70/0-M17 front / 90/0-M14 rear

Additional useful specifications

Front tire size 70/0-M17
Rear tire size 90/0-M14

Model information

Category Cross / motocross

Engine specifications

Engine type Single cylinder, two-stroke
Displacement 84.7 cc (5.17 cu in)
Compression ratio 8.2:1
Cooling system Liquid
Fuel system Carburettor. Keihin PWK28/1
Ignition CDI
Starter Kick
Lubrication Premix

Transmission and drivetrain

Final drive Chain (final drive)
Clutch Wet, multiple-disc coil spring

Chassis and suspension

Frame Semi-double cradle
Front suspension Telescopic fork
Rear suspension Swingarm (link suspension)
Front wheel travel 275 mm (10.8 inches)
Rear wheel travel 282 mm (11.1 inches)

Brakes, wheels and tires

Front brakes Single disc
Rear brakes Single disc
Front tire 70/0-M17
Rear tire 90/0-M14

Dimensions and weight

Dry weight 66 kg (145.5 lb)
Seat height 864 mm (34.0 inches)
Overall length 1,818 mm (71.6 inches)
Overall width 758 mm (29.8 inches)
Overall height 1,161 mm (45.7 inches)
Wheelbase 1,255 mm (49.4 inches)
Ground clearance 351 mm (13.8 inches)

Fuel and emissions

Fuel capacity 5.00 L (1.32 US gal)

Disclaimer: Specifications may vary by market, trim, production date and optional equipment, and scraped or historical data can contain errors. Comparison and percentile values are calculated from Yamaha models in this specifications database. Always double-check important specifications against the motorcycle owner’s/service manual and official Yamaha information before relying on them. Visit the official Yamaha website.