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2011 Yamaha YZ85 (2-Stroke) Specification

Designed to suit a wide range of riders from novice to mini expert. You also get an ultra-rigid, single backbone, semi-double-cradle frame and fully adjustable suspension. It has the power to win with a liquid-cooled, 84.7cc crankcase reed-valve-inducted six-speed that is compact and light.

Don’t let its small size fool you; the 2011 Yamaha YZ85 is a major competitor. The ideal choice for the next generation of champions.

Specs of 2011 Yamaha YZ85 (2-Stroke):
Engine
Type 85cc liquid-cooled 2-stroke; reed-valve inducted

Bore x Stroke 47.5 x 47.8mm

Compression Ratio 8.2:1

Fuel Delivery Keihin® PWK 28

Ignition CDI

Transmission Constant-mesh 6-speed; multiplate wet clutch

Final Drive Chain Drive

Chassis
Suspension / Front Inverted fork; fully adjustable, 10.8-in travel

Suspension / Rear Single shock; fully adjustable, 11.1-in travel

Brakes / Front Hydraulic single disc brake, 220mm

Brakes / Rear Hydraulic single disc brake, 190mm

Tires / Front 70/100-17-40M

Tires / Rear 90/100-14-49M

Dimensions
Length 71.7 in

Width 29.8 in

Height 45.7 in

Seat Height 34.0 in

Wheelbase 49.5 in

Ground Clearance 13.8 in

Fuel Capacity 1.3 gal

Wet Weight*** 156 lb

Yamaha R1 2011 Specifications

Yamaha R1 2011 Pictures

Yamaha R1 2011 Specs :
Engine :
Type 998cc, liquid-cooled 4-stroke DOHC 16 valves (titanium intake valves)
Bore x Stroke 78.0mm X 52.2mm
Compression Ratio 12.7:1
Fuel Delivery Fuel Injection with YCC-T and YCC-I
Ignition TCI: Transistor Controlled Ignition
Transmission 6-speed w/multiplate slipper clutch
Final Drive #530 O-ring chain
Chassis :
Suspension / Front 43mm inverted fork; fully adjustable, 4.7-in travel
Suspension / Rear Single shock w/piggyback reservoir; 4-way adjustable, 4.7-in travel
Brakes / Front Dual 310mm disc; radial-mount forged 6-piston calipers
Brakes / Rear 220mm disc; single-piston caliper
Tires / Front 120/70ZR17
Tires / Rear 190/55ZR17
Dimensions:
Length 81.5 in
Width 28.1 in
Height 44.5 in
Seat Height 32.8 in
Wheelbase 55.7 in
Rake (Caster Angle) 24.0°
Trail 4.0 in
Fuel Capacity 4.8 gal
Fuel Economy** 33 mpg
Wet Weight*** 454 lb
Other:
Primary Reduction Ratio 65/43 (1.512)
Secondary Reduction Ratio 47/17 (2.765)
Gear Ratio - 1st Gear 38/15 (2.533)
Gear Ratio - 2nd Gear 33/16 (2.063)
Gear Ratio - 3rd Gear 37/21 (1.762)
Gear Ratio - 4th Gear 35/23 (1.522)
Gear Ratio - 5th Gear 30/22 (1.364)
Gear Ratio - 6th Gear 33/26 (1.269)
Warranty 1 Year (Limited Factory Warranty)