2009 Trail Rmk - Polaris 340 LX 2007 Service Manual

Model Specifications

2009 Trail RMK

Model Numbers: S09NJ5BS / S09NJ5BE
S09NJ5BSL / S09NJ5BSF
Engine
Engine Type
Model Number
Displacement / # Cylinders
Bore (inches/mm)
Stroke (inches/mm)
Piston to Cylinder
Clearance (inches/mm)
Installed Ring Gap
(inches / mm)
Operating RPM ±200
Idle RPM ±200
Engagement RPM ±200
Carburetor Settings
Type
Main Jet
Pilot Jet
Jet Needle/Clip position
Needle Jet
Throttle Gap (Under Cutaway)
(in/mm)
Drill Bit Size
Cutaway
Valve Seat
Starter Jet
Pilot Air Jet
Air Screw (Turns Out)
Fuel Octane (R+M/2)
(Minimum)
(Recommended)
1.32
Fuji Fan-Cooled / Piston
Port w/Reed Assist
Induction
EC55PM112
544cc / 2
2.87 / 73
2.56 / 65
.0039 - .0053 (.10 - .135)
.016 - .022 (.40 - .55)
7000
1600
3800
Mikuni VM34
210
35
6BGY41 / 2
Q-0 (480)
.264 / 6.71
G - 17/64
3.0
1.5 Viton
1.5
2.5
.75
87 Non-Oxygenated
89 Oxygenated
9923396 - 2007-2012 EDGE/Widetrak LX Service Manual
©2011 Polaris Sales Inc.
Carburetor Jetting
Altitude
Meters
(feet)
270 260
0-600
(0-2000)
#4 #4
260 250
600-1200
(2000-4000) #4 #4
250 240
1200-1800
(4000-6000) #4 #3
230 220
1800-2400
(6000-8000) #3 #3
220 210
2400-3000
(8000-10,000)
#3 #3
210 200
3000-3700
(10,000-12,000)
#3 #3
Clutch Settings
DRIVE CLUTCH
ALTITUDE
meters
Shift Clutch
(feet)
Weight Spring
0-600
10-64
(0-2000)
600-1200
10-62
(2000-4000)
1200-1800
(4000-6000)
BLU / WHT
10-60
7041781
1800-2400
(6000-8000)
2400-3000
10-58
(8000-10,000)
3000-3600
10-56
(10,000-12,000)
Drive Clutch Bolt Torque: 50 lb.ft. (68Nm)
Re-torque after running engine.
Ambient Temperature
250 240 230 220 210
#4 #4 #3 #3 #2
240 230 220 220 210
#3 #3 #3 #2 #2
230 220 210 210 200
#3 #3 #2 #2 #2
220 210 210 200 190
#3 #2 #2 #2 #1
210 200 190 190 180
#2 #2 #2 #2 #1
190 190 180 180 170
#2 #2 #2 #2 #1
P2 DRIVEN CLUTCH
Clutch Driven
Spring Helix
P2
90.9 Rate P2
140 - 240 42S 19:43-74
7043149 5137155
200
#1
200
#1
190
#1
180
#1
170
#1
160
#1
Gearing