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GENERAL INFORMATION
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9923074 - 2011 Youth 4-Stroke Service Manual
© Copyright 2010 Polaris Sales Inc.
MODEL: 2011 OUTLAW / SPORTSMAN 90
OUTLAW MODEL #: A11KA09AB, AD
SPORTSMAN MODEL #: A11FA09AA
ENGINE MODEL: H18S
Engine
Platform Aeon SOHC 4-Stroke
Engine Displacement 89.9cc
Number of Cylinders 1
Bore & Stroke (mm) 47 x 51.8 mm
Compression Ratio 9.2:1
Compression Pressure 115-155 psi
Engine Idle Speed 1700 ± 100 Rpm
Cooling System Air Cooled
Overheat Warning n/a
Lubrication Oil Pump Pressurized Wet Sump
Oil Requirements
Polaris SAE 40 (Above 32°F)
Polaris 20W-40 (Below 32°F)
30 oz. (900 ml)
Exhaust System USFS Approved
Carburetion
Carburetor model Keihin PTE16
Main Jet 82
Pilot Jet 40
Jet Needle 89Q - 3 clip
Needle Jet 11
Throttle Valve Cutaway 3.0 SA
Pilot / Air Screw
2.25 ± .5 Turns Out
(Initial setting, varies by ATV)
Float Height Parallel To Float Bowl
Fuel Delivery Gravity Feed System
Fuel Capacity
1.7 gal. (6.4 L) - Outlaw 90
2 gal. (7.7 L) - Sportsman 90
Fuel Reserve Capacity
0.23 gal. (0.86 L) - Outlaw 90
0.22 gal. (0.85 L) - Sportsman 90
Electrical
Alternator Output 56 Watts @ 1700 RPM
Voltage Regulator Single Phase / Full Wave
Daytime Running Lights 15 Watts
Brake Light 21 watts
Tail Light 5 watts
Ignition System CDI Ignition
Ignition Timing 17.5
BTDC @ 1700 RPM
Spark plug / Gap
NGK CR6HSA
.024 - .028 in./ .6-.7 mm
Battery / Model / Amp Hr Low Maintenance / 12V / 5 AH
Fuses (1) 7 Amp
Starting Electric / Kick Start Backup
Indicator Panel Neutral / Reverse
Drivetrain
Transmission Type Integrated F/N/R
Transmission Lubricant
Capacity
11.8 oz. (350 ml) or to bottom
of fill hole threads
Drive Type Chain
Clutch Type Automatic CVT
Drive Belt 0453455
Steering / Suspension
Front Suspension Style
Single A-arm /
Cam Adjust Shocks
Front Travel 5 in. / 12.7 cm
Rear Suspension Style
Mono Shock Swingarm /
Cam Adjust Shock
Rear Travel 6 in. / 15.2 cm
Ground Clearance 4 in. / 10 cm
Shock Preload Adjustment
Front - Cam Adjust
Rear - Cam Adjust
Toe Out 1/8 in. - 1/4 in / 3 - 6 mm
Wheels / Brakes
Tire Size / Bolt Pattern - Front 19 x 7 - 8 / 4-110
Tire Size / Bolt Pattern - Rear 18 x 9.5 - 8 / 4-110
Air Pressure - F/R Tires 3 psi (20.7 KPa)
Brakes - Front / Rear Drum
Parking Brake Mechanical Lock
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