TROUBLESHOOTING
9-3
Fuel system
1. Throttle body
• Damaged or loose throttle body joint
2. Air filter
• Clogged air filter element
Chassis
1. Brake(s)
• Dragging brake
Electrical system
1. Spark plug
• Incorrect spark plug gap
• Incorrect spark plug heat range
2. Ignition system
• Faulty ECU
EAS30608
OVERCOOLING
Cooling system
1. Thermostat
• Thermostat stays open
EAS30609
POOR BRAKING PERFORMANCE
• Worn brake pad
• Worn brake disc
• Air in hydraulic brake system
• Leaking brake fluid
• Faulty brake caliper kit
• Faulty brake caliper seal
• Loose union bolt
• Damaged brake hose
• Oil or grease on the brake disc
• Oil or grease on the brake pad
• Incorrect brake fluid level
EAS30610
FAULTY FRONT FORK LEGS
Leaking oil
• Bent, damaged or rusty inner tube
• Cracked or damaged outer tube
• Improperly installed oil seal
• Damaged oil seal lip
• Incorrect oil level (high)
• Loose damper rod bolt
• Damaged damper rod bolt copper washer
• Cracked or damaged front fork cap O-ring
Malfunction
• Bent or damaged inner tube
• Bent or damaged outer tube
• Damaged fork spring
• Bent or damaged damper rod
• Incorrect oil viscosity
• Incorrect oil level
EAS30611
UNSTABLE HANDLING
1. Handlebar
• Bent or improperly installed handlebar
2. Steering head components
• Improperly installed lower bracket
(improperly tightened ring nut)
• Damaged ball bearing or bearing race
3. Front fork leg(s)
• Uneven oil levels (both front fork legs)
• Unevenly tensioned fork spring (both front
fork legs)
• Broken fork spring
• Bent or damaged inner tube
• Bent or damaged outer tube
4. Swingarm
• Worn bearing or bushing
• Bent or damaged swingarm
5. Rear shock absorber assembly(-ies)
• Faulty rear shock absorber spring
• Leaking oil
6. Tire(s)
• Uneven tire pressures (front and rear)
• Incorrect tire pressure
• Uneven tire wear
7. Wheel(s)
• Incorrect wheel balance
• Deformed cast wheel
• Damaged wheel bearing
• Bent or loose wheel axle
• Excessive wheel runout
8. Frame
• Bent frame
• Damaged steering head pipe
• Improperly installed bearing race
EAS30612
FAULTY LIGHTING OR SIGNALING SYSTEM
Headlight does not come on
• Faulty headlight unit
• Too many electrical accessories
• Hard charging
• Incorrect connection
• Improperly grounded circuit
• Poor contacts (main switch)
Tail/brake light does not come on
• Wrong tail/brake light LED
• Too many electrical accessories
• Incorrect connection
Summary of Contents for N MAX GPD150-A 2015
Page 1: ...2015 SERVICE MANUAL GPD150 A 2DP F8197 E0 ...
Page 6: ......
Page 8: ......
Page 38: ...BASIC SERVICE INFORMATION 1 29 ...
Page 46: ...SPECIAL TOOLS 1 37 ...
Page 61: ...TIGHTENING TORQUES 2 14 Cylinder head tightening sequence 4 2 5 3 1 6 ...
Page 67: ...LUBRICATION POINTS AND LUBRICANT TYPES 2 20 ...
Page 70: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 23 EAS30021 LUBRICATION DIAGRAMS 1 3 2 ...
Page 71: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 24 1 Oil strainer 2 Oil pump assembly 3 Camshaft ...
Page 72: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 25 3 2 1 4 ...
Page 74: ...COOLING SYSTEM DIAGRAMS 2 27 EAS20020 COOLING SYSTEM DIAGRAMS 8 5 7 6 4 3 2 1 7 7 6 5 4 3 2 1 ...
Page 88: ...CABLE ROUTING 2 41 Frame top view 9 A B C D 1 2 9 6 5 3 3 9 4 4 5 6 7 8 9 10 11 12 13 E ...
Page 90: ...CABLE ROUTING 2 43 Hydraulic unit top and right side view A B C 1 1 2 2 3 3 4 5 5 6 6 7 4 ...
Page 94: ...CABLE ROUTING 2 47 Fuel tank right side view A B D 1 2 2 1 3 3 4 4 5 5 7 A 6 8 9 9 C ...
Page 96: ...CABLE ROUTING 2 49 Fuel tank top and bottom view A 1 B 3 B 2 C 4 ...
Page 102: ...CABLE ROUTING 2 55 ...
Page 104: ...CHECKING THE SWITCHES LIGHTS AND SIGNALS 3 24 ADJUSTING THE HEADLIGHT BEAM 3 24 ...
Page 105: ......
Page 130: ...PERIODIC MAINTENANCE 3 25 ...
Page 136: ...GENERAL CHASSIS 1 4 3 a 1 ...
Page 148: ...GENERAL CHASSIS 5 4 15 1 b a ...
Page 220: ...STEERING HEAD 4 87 1 a b ...
Page 226: ...REAR SHOCK ABSORBER ASSEMBLIES AND SWINGARM 4 93 ...
Page 294: ...CRANKSHAFT 5 65 ...
Page 306: ...WATER PUMP 6 11 ...
Page 325: ......
Page 335: ...ELECTRIC STARTING SYSTEM 8 10 ...
Page 339: ...CHARGING SYSTEM 8 14 ...
Page 343: ...LIGHTING SYSTEM 8 18 ...
Page 381: ...FUEL INJECTION SYSTEM 8 56 ...
Page 385: ...FUEL PUMP SYSTEM 8 60 ...
Page 417: ...ABS ANTI LOCK BRAKE SYSTEM 8 92 ...
Page 446: ......
Page 447: ......