The Yamaha 2009 PW50 Review

Key Features: 2009 PW50

Fully automatic transmission means no shifting required; the PW50 is a total twist-and-go package.
Torque-tuned, spunky little 49cc two-stroke is built to thrill without intimidating beginners.
A seat only 19.1 inches high makes this one the logical choice for the littlest rider in the group.
An adjustable throttle stop screw lets the adult in charge gradually increase speed as skills improve.
Shaft final drive makes chain maintenance a thing of the past.


Engine: 2009 PW50

49cc air-cooled case-reed–inducted two-stroke single is tuned to deliver predictable power that gently eases the new rider up the off-road learning curve.
Single-speed automatic transmission means the rider simply twists the throttle and goes, allowing him/her to concentrate on the ride ahead.
Class-exclusive shaft drive system is virtually maintenance-free and comes fully enclosed for added durability.
Exclusive autolube oil injection system eliminates the need for fuel/oil premixing.


Chassis/Suspension:Yamaha 2009 PW50

19.1-inch seat height allows most kids to put both feet down for handling-enhancing and added confidence.
22mm telescopic front fork with 2.4 inches of travel smoothes out the bumps for responsive handling.
Mag-style wheels mean there’s no need to tighten or replace spokes.
Dual rear shocks with 2.0 inches of travel smooth the trail to deliver confidence-inspiring ride quality.
Front and rear drum brakes provide smooth, predictable stopping power.
10-inch front and rear knobby tires provide excellent traction and superior wear.
Quiet exhaust pipe, complete with removable baffle, is routed away from the rider.
Rear fender, seat and side panel unit removes quickly for ease of maintenance.


Features:Yamaha 2009 PW50

A thick seat cushions the trail’s blows and allows maximum rider movement.
Team Yamaha-inspired colors, graphics and front and side number plates create styling just like the bigger off-roaders.
Large, folding footpegs with rubber grips provide excellent footing.
Standard centerstand for added convenience.
An adjustable throttle stop screw lets the adult in charge gradually increase speed as skills improve.

ENGINE
Type	49cc air-cooled 2-stroke; reed-valve inducted
Bore x Stroke	40.0mm x 39.2mm
Compression Ratio	6.0:1
Fuel Delivery	VM12
Ignition	CDI
Transmission	Wet centrifugal automatic
Final Drive	Shaft
CHASSIS
Suspension / Front	Telescopic fork; 2.4-in travel
Suspension / Rear	Unit swingarm; 2.0-in travel
Brakes / Front	Drum
Brakes / Rear	Drum
Tires / Front	2.50-10-4PR
Tires / Rear	2.50-10-4PR
DIMENSIONS
Length	49.0 in
Width	22.6 in
Height	28.1 in
Seat Height	19.1 in
Wheelbase	33.7 in
Ground Clearance	4.1 in
Fuel Capacity	.53 gal
Wet Weight	85 lb
OTHER
Warranty	90 Day (Limited Factory Warranty)

ENGINE

Type

49cc air-cooled 2-stroke; reed-valve inducted

Bore x Stroke

40.0mm x 39.2mm

Compression Ratio

6.0:1

Fuel Delivery

VM12

Ignition

CDI

Transmission

Wet centrifugal automatic

Final Drive

Shaft

CHASSIS

Suspension / Front

Telescopic fork; 2.4-in travel

Suspension / Rear

Unit swingarm; 2.0-in travel

Brakes / Front

Drum

Brakes / Rear

Drum

Tires / Front

2.50-10-4PR

Tires / Rear

2.50-10-4PR

DIMENSIONS

Length

49.0 in

Width

22.6 in

Height

28.1 in

Seat Height

19.1 in

Wheelbase

33.7 in

Ground Clearance

4.1 in

Fuel Capacity

.53 gal

Wet Weight

85 lb

OTHER

Warranty

90 Day (Limited Factory Warranty)

1981-2009 YAMAHA PW50: WISECO PISTON .060" OVERSIZE
1981-2009 YAMAHA PW50: WISECO PISTON .040" OVERSIZE
1981-2009 YAMAHA PW50: WISECO PISTON, STANDARD SIZE