## Introducing the Yamaha 2007-2010 FX Nytro: A Snowmobile Powerhouse

**Technical Mastery:**
The Yamaha FX Nytro is a snowmobile that seamlessly blends advanced engineering with rugged performance. Its state-of-the-art Genesis 120 turbocharged, 3-cylinder engine delivers unparalleled power and acceleration. Featuring a forged piston, reinforced crankshaft, and lightweight forged connecting rod, this engine is built to withstand extreme conditions and provide years of reliable operation.

**Dynamic Suspension:**
The FX Nytro boasts a technologically advanced suspension system that ensures both maneuverability and stability on diverse terrain. Its dual A-arm front suspension with HPG (High-Pressure Gas) shocks and a monoshock rear suspension with reservoir provide exceptional control and handling. The fully adjustable suspension allows riders to fine-tune their ride to match their riding style and specific conditions.

**Advanced Chassis:**
The FX Nytro's lightweight and durable Deltabox chassis forms the foundation of its exceptional handling. This advanced chassis design minimizes weight while maximizing strength, allowing the snowmobile to respond precisely to rider input. Its optimized geometry enhances stability and cornering performance, providing a thrilling and confident ride.

**Polaris CFI Engineering:**
The Yamaha FX Nytro incorporates Polaris's advanced CFI (Cylinder Fuel Injection) technology, ensuring precise fuel delivery and efficient engine performance. This system continuously monitors engine conditions and adjusts fuel injection accordingly, optimizing power and fuel economy.

**Ergonomic Design:**
The FX Nytro's rider-centric cockpit is designed for comfort and control. Its adjustable handlebars, plush seat, and intuitive controls provide a tailored fit and support during extended rides. Digital instrumentation keeps riders informed of essential information, and the push-button reverse system ensures effortless maneuverability.

**Premium Features:**
The Yamaha FX Nytro comes equipped with an array of premium features that enhance the riding experience. Its electric start ensures quick and reliable cold-weather starting, while the hand and thumb warmers provide warmth and comfort in frigid conditions. Its efficient lighting system illuminates the trail ahead, and the stylish graphics and vibrant colors make a bold statement on the snow.

**Unmatched Performance and Versatility:**
The Yamaha 2007-2010 FX Nytro is a versatile snowmobile that excels in both recreational and utility applications. Its powerful engine, advanced suspension, and ergonomic design make it ideal for tackling demanding trails, while its ample cargo capacity and towing ability make it a practical choice for transporting gear and supplies.

Download Complete factory workshop manual / repair manual / service manual for Yamaha 2007 - 2010 FX NYTRO Snowmobile.

This is what the dealerships use to fix your snowmobile (snow mobile). These manuals covers all the topics like: Engine, General Information, Drive train, Chasis, Lightning , Steering, Seats System, Clutch, Suspension, Locks, Brakes, Lubrication, Electrical, Fuel System, Battery and other topics.

models covered
---------------------
FX10X
FX10RTX
FX10RTRX
FX10RTRAX
FX10MTX
FX10MTRX
FX10MTRAX

CHAPTER 1. GENERAL INFORMATION

SNOWMOBILE IDENTIFICATION ................... 1-1
FRAME SERIAL NUMBER......................... 1-1
ENGINE SERIAL NUMBER........................ 1-1
IMPORTANT INFORMATION .......................... 1-2
PREPARATION FOR REMOVAL AND
DISASSEMBLY........................................... 1-2
ALL REPLACEMENT PARTS..................... 1-2
GASKETS, OIL SEALS, AND O-RINGS..... 1-3
LOCK WASHERS/PLATES AND COTTER
PINS............................................................ 1-3
BEARINGS AND OIL SEALS ..................... 1-3
CIRCLIPS ................................................... 1-3
LOCTITE®................................................... 1-3
SPECIAL TOOLS ............................................. 1-4
FOR TUNE UP............................................ 1-4
FOR ENGINE SERVICE............................. 1-4
FOR POWER TRAIN SERVICE ................. 1-7
FOR FUEL INJECTION SERVICE ............. 1-8
FOR ELECTRICAL SERVICE .................... 1-8

CHAPTER 2. PERIODIC INSPECTION AND ADJUSTMENT

INTRODUCTION............................................... 2-1
PERIODIC MAINTENANCE CHART FOR
THE EMISSION CONTROL SYSTEM.............. 2-1
GENERAL MAINTENANCE AND
LUBRICATION CHART.................................... 2-2
ENGINE ............................................................ 2-3
SPARK PLUGS........................................... 2-3
FUEL LINE INSPECTION........................... 2-3
COOLING SYSTEM.................................... 2-4
VALVE CLEARANCE ADJUSTMENT ........ 2-7
THROTTLE BODY
SYNCHRONIZATION ............................... 2-12
THROTTLE CABLE FREE PLAY
ADJUSTMENT.......................................... 2-14
THROTTLE OVERRIDE SYSTEM
(T.O.R.S.) CHECK.................................... 2-16
COMPRESSION PRESSURE
MEASUREMENT...................................... 2-17
ENGINE OIL LEVEL INSPECTION .......... 2-19
ENGINE OIL REPLACEMENT ................. 2-20
CYLINDER HEAD BREATHER HOSE
INSPECTION............................................ 2-23
THROTTLE BODY JOINTS
INSPECTION ............................................ 2-23
CHECKING THE AIR FILTER
ELEMENT ................................................. 2-23
EXHAUST SYSTEM INSPECTION .......... 2-25
POWER TRAIN............................................... 2-26
SHEAVE OFFSET ADJUSTMENT ........... 2-26
DRIVE V-BELT.......................................... 2-28
ENGAGEMENT SPEED CHECK.............. 2-30
PARKING BRAKE PAD INSPECTION ..... 2-31
PARKING BRAKE ADJUSTMENT............ 2-31
BRAKE FLUID LEVEL INSPECTION ....... 2-32
BRAKE PAD INSPECTION....................... 2-33
BRAKE HOSE INSPECTION.................... 2-33
AIR BLEEDING (HYDRAULIC BRAKE
SYSTEM) .................................................. 2-34
DRIVE CHAIN........................................... 2-35
TRACK TENSION ADJUSTMENT............ 2-37
SLIDE RUNNER INSPECTION ................ 2-39
MAXIMIZING DRIVE TRACK LIFE........... 2-39
CHASSIS ........................................................ 2-41
SKI/SKI RUNNER ..................................... 2-41
STEERING SYSTEM................................ 2-41
BRAKE LEVER ADJUSTMENT................ 2-43
LUBRICATION.......................................... 2-43
ELECTRICAL ................................................. 2-45
HEADLIGHT BULB REPLACEMENT ....... 2-45
HEADLIGHT BEAM ADJUSTMENT ......... 2-46
BATTERY INSPECTION........................... 2-46
FUSE INSPECTION.................................. 2-52
TUNING .......................................................... 2-54
CLUTCH.................................................... 2-54
GEAR SELECTION................................... 2-56
FRONT SUSPENSION ............................. 2-63
REAR SUSPENSION................................ 2-67

CHAPTER 3.CHASSIS

COVERS........................................................... 3-1
INSTALLATION........................................... 3-3
STEERING........................................................ 3-4
FX10............................................................ 3-4
FX10RT/FX10RTR/FX10RTRA .................. 3-6
FX10MT/FX10MTR/FX10MTRA ................. 3-8
REMOVAL................................................. 3-11
INSPECTION ............................................ 3-11
INSTALLATION......................................... 3-12
SKI .................................................................. 3-16
FX10/FX10RT/FX10RTR/FX10RTRA....... 3-16
FX10MT/FX10MTR/FX10MTRA............... 3-17
INSPECTION............................................ 3-18
FRONT SUSPENSION ................................... 3-19
FX10/FX10RT/FX10RTR/FX10RTRA....... 3-19
FX10MT/FX10MTR/FX10MTRA............... 3-21
HANDLING NOTES.................................. 3-23
INSPECTION............................................ 3-23
INSTALLATION ........................................ 3-24

CHAPTER 4.POWER TRAIN

PRIMARY SHEAVE AND DRIVE V-BELT....... 4-1
REMOVAL .................................................. 4-3
DISASSEMBLY........................................... 4-3
INSPECTION.............................................. 4-4
ASSEMBLY................................................. 4-6
INSTALLATION .......................................... 4-9
SECONDARY SHEAVE ................................. 4-11
DISASSEMBLY......................................... 4-13
INSPECTION............................................ 4-13
ASSEMBLY............................................... 4-14
INSTALLATION ........................................ 4-16
DRIVE CHAIN................................................. 4-17
WITHOUT REVERSE MODEL ................. 4-17
REMOVAL ................................................ 4-19
INSPECTION............................................ 4-19
INSTALLATION ........................................ 4-21
WITH REVERSE MODEL......................... 4-22
REMOVAL ................................................ 4-25
INSPECTION............................................ 4-25
INSTALLATION ........................................ 4-26
SECONDARY SHAFT .................................... 4-28
INSPECTION............................................ 4-29
SECONDARY SHAFT AND DRIVE
CHAIN COVER INSTALLATION .............. 4-30
BRAKE ........................................................... 4-32
BRAKE PAD ............................................. 4-32
BRAKE PAD REPLACEMENT ................. 4-33
BRAKE CALIPER AND
PARKING BRAKE..................................... 4-35
BRAKE CALIPER DISASSEMBLY........... 4-37
BRAKE CALIPER INSPECTION
AND REPAIR ............................................ 4-37
BRAKE CALIPER ASSEMBLY................. 4-38
BRAKE CALIPER INSTALLATION........... 4-38
BRAKE MASTER CYLINDER................... 4-39
INSPECTION............................................ 4-41
BRAKE MASTER CYLINDER
ASSEMBLY............................................... 4-41
INSTALLATION ........................................ 4-42
SLIDE RAIL SUSPENSION............................ 4-43
FX10.......................................................... 4-43
FX10RT/FX10RTR/FX10RTRA ................ 4-49
FX10MT/FX10MTR/FX10MTRA ............... 4-55
HANDLING NOTES .................................. 4-61
REMOVAL................................................. 4-61
INSPECTION ............................................ 4-61
ASSEMBLY............................................... 4-62
INSTALLATION......................................... 4-66
FRONT AXLE AND TRACK........................... 4-67
INSPECTION ............................................ 4-68
INSTALLATION......................................... 4-68

CHAPTER 5. ENGINE


SEAT AND FUEL TANK................................... 5-1
REMOVAL................................................... 5-3
INSTALLATION........................................... 5-4
EXHAUST PIPE AND MUFFLER..................... 5-5
INSTALLATION........................................... 5-7
OIL TANK ......................................................... 5-9
ENGINE ASSEMBLY ..................................... 5-10
HOSES AND LEADS ................................ 5-10
ENGINE ASSEMBLY................................ 5-12
REMOVAL................................................. 5-13
INSTALLATION......................................... 5-13
CAMSHAFTS.................................................. 5-15
CYLINDER HEAD COVER ....................... 5-15
CAMSHAFTS............................................ 5-16
REMOVAL................................................. 5-17
INSPECTION ............................................ 5-18
INSTALLATION......................................... 5-22
CYLINDER HEAD........................................... 5-26
REMOVAL................................................. 5-27
INSPECTION ............................................ 5-27
INSTALLATION......................................... 5-28
VALVES AND VALVE SPRINGS................... 5-30
REMOVAL................................................. 5-31
INSPECTION ............................................ 5-32
INSTALLATION......................................... 5-36
AC MAGNETO ROTOR AND STARTER
CLUTCH ......................................................... 5-39
REMOVAL................................................. 5-40
INSPECTION ............................................ 5-41
INSTALLATION......................................... 5-42
OIL PAN AND OIL PUMP .............................. 5-44
REMOVAL ................................................ 5-47
INSPECTION............................................ 5-47
INSTALLATION ........................................ 5-49
CRANKCASE ................................................. 5-51
REMOVAL ................................................ 5-53
INSPECTION............................................ 5-53
INSTALLATION ........................................ 5-54
CONNECTING RODS AND PISTONS........... 5-57
REMOVAL ................................................ 5-58
INSPECTION............................................ 5-59
INSTALLATION ........................................ 5-65
CRANKSHAFT AND BALANCER SHAFT .... 5-68
REMOVE .................................................. 5-70
INSPECTION............................................ 5-71
INSTALLATION ........................................ 5-74

CHAPTER 6. COOLING SYSTEM

RADIATOR ....................................................... 6-1
INSPECTION.............................................. 6-3
INSTALLATION .......................................... 6-4
THERMOSTAT ................................................. 6-5
INSPECTION.............................................. 6-6
INSTALLATION .......................................... 6-6
WATER PUMP.................................................. 6-7
REMOVAL .................................................. 6-9
DISASSEMBLY........................................... 6-9
INSPECTION............................................ 6-10
ASSEMBLY............................................... 6-10
INSTALLATION ........................................ 6-11
OIL COOLER AND HEAT EXCHANGER ...... 6-12
INSPECTION............................................ 6-14

CHAPTER 7. FUEL INJECTION SYSTEM

FUEL INJECTION SYSTEM............................. 7-1
CIRCUIT DIAGRAM.................................... 7-2
ECU SELF-DIAGNOSTIC FUNCTION ....... 7-4
SELF-DIAGNOSTIC FUNCTION TABLE ... 7-4
TROUBLESHOOTING CHART .................. 7-6
DIAGNOSTIC MODE.................................. 7-7
TROUBLESHOOTING DETAILS.............. 7-13
OIL PRESSURE SWITCH ........................ 7-26
INTAKE AIR TEMPERATURE
SENSOR................................................... 7-26
ISC (IDLE SPEED CONTROL) UNIT........ 7-27
AIR FILTER CASE ......................................... 7-28
THROTTLE BODY.......................................... 7-29
INJECTORS.............................................. 7-30
REMOVAL................................................. 7-32
INSPECTION ............................................ 7-32
FUEL PRESSURE INSPECTION ............. 7-33
INSPECTION AND ADJUSTMENT .......... 7-34

CHAPTER 8. ELECTRICAL

SWITCH INSPECTION ..................................... 8-1
SWITCH INSPECTION............................... 8-1
INSPECTING A SWITCH SHOWN IN
THE MANUAL............................................. 8-1
IGNITION SYSTEM .......................................... 8-2
CIRCUIT DIAGRAM.................................... 8-2
TROUBLESHOOTING................................ 8-4
IGNITION SPARK GAP .............................. 8-6
IGNITION COIL........................................... 8-6
CRANKSHAFT POSITION SENSOR ......... 8-7
THROTTLE OVERRIDE SYSTEM
(T.O.R.S.).................................................... 8-8
ENGINE STOP SWITCH ............................ 8-9
THROTTLE SWITCH.................................. 8-9
MAIN SWITCH.......................................... 8-10
ELECTRICAL STARTING SYSTEM .............. 8-11
CIRCUIT DIAGRAM.................................. 8-11
TROUBLESHOOTING.............................. 8-12
STARTER MOTOR................................... 8-14
CHARGING SYSTEM..................................... 8-18
CIRCUIT DIAGRAM.................................. 8-18
TROUBLESHOOTING.............................. 8-19
BATTERY.................................................. 8-20
STATOR COIL .......................................... 8-20
LIGHTING SYSTEM ....................................... 8-22
CIRCUIT DIAGRAM.................................. 8-22
TROUBLESHOOTING.............................. 8-24
BULB(S) .................................................... 8-27
HEADLIGHT BEAM SWITCH ................... 8-27
HEADLIGHT RELAY................................. 8-28
LOAD CONTROL RELAY......................... 8-28
SIGNAL SYSTEM........................................... 8-30
CIRCUIT DIAGRAM.................................. 8-30
TROUBLESHOOTING.............................. 8-32
BRAKE LIGHT SWITCH ........................... 8-38
DC BACK BUZZER (FX10/FX10RTR/
FX10RTRA/FX10MTR/FX10MTRA) ......... 8-38
COOLANT TEMPERATURE SENSOR .... 8-39
OIL LEVEL SWITCH................................. 8-40
FUEL SENDER......................................... 8-40
SPEED SENSOR...................................... 8-41
GRIP WARMER SYSTEM.............................. 8-42
CIRCUIT DIAGRAM.................................. 8-42
TROUBLESHOOTING.............................. 8-44
GRIP WARMER AND THUMB
WARMER.................................................. 8-45
GRIP/THUMB WARMER ADJUSTMENT
SWITCH.................................................... 8-45
COOLING SYSTEM........................................ 8-46
CIRCUIT DIAGRAM.................................. 8-46
TROUBLESHOOTING.............................. 8-48
RADIATOR FAN MOTOR......................... 8-49
RADIATOR FAN MOTOR RELAY............ 8-49

CHAPTER 9. SPECIFICATIONS

GENERAL SPECIFICATIONS ......................... 9-1
MAINTENANCE SPECIFICATIONS ................ 9-5
ENGINE ...................................................... 9-5
POWER TRAIN......................................... 9-10
CHASSIS .................................................. 9-16
ELECTRICAL............................................ 9-18
TIGHTENING TORQUE.................................. 9-20
ENGINE .................................................... 9-20
POWER TRAIN......................................... 9-22
CHASSIS .................................................. 9-25
GENERAL TORQUE SPECIFICATIONS....... 9-26
DEFINITION OF UNITS.................................. 9-26
CABLE ROUTING .......................................... 9-28

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