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4-3

SPEC

MAINTENANCE SPECIFICATIONS

Model name:

MX360

Model code number:

7HCJ

Piston: 

 

 

 

mm (in)

  Piston clearance

0.015–0.029 (0.0006–0.0011)

    <Limit>

***

  Piston skirt diameter “D”

84.977–84.998 (3.3455–3.3464)

    <Limit>

***

  Measuring point “H”

***

  Oversize  1st

85.25 (3.3563)

     

2nd

85.5 (3.3661)

  Piston pin hole inside diameter

20.004–20.015 (0.7876–0.7880)

    <Limit>

20.045 (0.7892)

Piston pin:   

 

 

mm (in)

  Piston pin diameter

19.995–20.000 (0.7872–0.7874)

    <Limit>

19.975 (0.7864)

Piston ring:  

 

 

mm (in)

  Top ring
  Type

Barrel

  Dimensions “B × T”

1.2 × 3.1 (0.0472 × 0.1220)

  End gap

0.20–0.35 (0.0079–0.0138)

    <Limit>

0.6 (0.0236)

  Side clearance

0.04–0.08 (0.0016–0.0031)

    <Limit>

0.13 (0.0051)

  2nd ring
  Type

Taper

  Dimensions “B × T”

1.2 × 3.2 (0.0472 × 0.1260)

  End gap

0.30–0.45 (0.0118–0.0177)

    <Limit>

0.8 (0.0315)

  Side clearance

0.03–0.07 (0.0012–0.0028)

    <Limit>

0.13 (0.0051)

  Oil ring
  Type

3-piece type

  Dimensions “B × T”

2.5 × 2.5 (0.0984 × 0.0984)

  End gap

0.2–0.7 (0.0079–0.0276)

Cylinder head: 

 

 

mm (in)

  Warpage limit

0.05 (0.002)

Cylinder:   

 

 

mm (in)

85.000–85.020 (3.3465–3.3472)

  Inside diameter “D”
    <Limit>

***

  Taper limit

0.05 (0.002)

  Warpage limit

***

MAINTENANCE SPECIFICATIONS

ENGINE

B

T

7HC-F8197-11.indb   3

2015/09/01   14:08:22

Summary of Contents for MX360

Page 1: ...MX360 SUPPLEMENTARY SERVICE MANUAL 7HC F8197 11 LIT 19616 02 34 2015_09 1 7HC F8197 11_cover mihiraki indd 1 2015 09 01 9 52 50...

Page 2: ...3 4 5 6 1 Spark plug 2 TCI unit 3 Oil warning unit 4 Oil level switch 5 Oil warning light 6 Engine switch Color code B Black L Blue R Red Y Yellow B W Black White CIRCUIT DIAGRAM 7HC F8197 11_cover m...

Page 3: ...t changes in specifications or procedures will be forwarded to all Authorized Yamaha dealers and will where applicable appear in future editions of this manual HOW TO USE THIS MANUAL PARTICULARLY IMPO...

Page 4: ...11 Nm 1 1 m kgf 8 0 ft lbf 20 Nm 2 0 m kgf 14 ft lbf 2 3 Nm 0 23 m kgf 1 7 ft lbf 12 Nm 1 2 m kgf 8 7 ft lbf 50 Nm 5 0 m kgf 36 ft lbf 1st 2nd 7 Nm 0 7 m kgf 5 1 ft lbf 9 1 Order Job Parts to remove Q...

Page 5: ...Electrical Troubleshooting Specifications Filling fluid Lubricant Special tool T R Tightening torque Wear limit clearance Engine speed Electrical data Replace the part with a new one LS Lithium soap b...

Page 6: ...7HC F8197 11 indb 4 2015 09 01 14 08 18...

Page 7: ...INDEX GENERAL INFORMATION GEN INFO ENGINE ENG ELECTRICAL ELEC SPECIFICATIONS SPEC 1 2 3 4 7HC F8197 11 indb 5 2015 09 01 14 08 19...

Page 8: ...RNOR 2 2 CHAPTER 3 ELECTRICAL CIRCUIT DIAGRAM 3 1 CHAPTER 4 SPECIFICATIONS GENERAL SPECIFICATIONS 4 1 MAINTENANCE SPECIFICATIONS 4 3 ENGINE 4 3 ELECTRICAL 4 7 TIGHTENING TORQUES 4 8 GENERAL TORQUE SPE...

Page 9: ...el 1 affixed to the position 2 of the multi purpose engine as shown in the illustration TIP The first four digits identify the model and the remaining digits indicates the production number STARTING S...

Page 10: ...HCJ 4 5 5 72 2 28 60 3 88 5 25 4 0 021 0 110 0 054 0 146 08 0 040 0 21 8 0 1 0 6 31 0 058 0 3 8 24UNF 2B 30 30 146 08 0 0 040 165 1 127 110 0 054 0 4 3 8 16UNC2B DEPTH18 4 5 16 24UNF 2B DEPTH18 45 45...

Page 11: ...GEN INFO DIMENSIONS TOP Unit in mm LEFT SIDE Unit in mm 18 19 462 6 42 163 3 56 90 5 7 7 195 5 4 06 103 19 29 490 5 26 133 5 2 76 70 16 81 427 11 81 300 6 38 162 7HC F8197 11 indb 3 2015 09 01 14 08...

Page 12: ...8 7 4 188 4 92 125 8 13 206 5 3 9 99 0 63 16 2 44 62 1 46 37 4 02 102 2 56 65 2 0 43 11 HOLE 2 0 43 11 1 06 27 SLOT HOLE MOUNTING BASE Unit in mm 41 3 105 3 56 90 5 2 0 43 11 0 63 16 0 43 11 2 2 56 65...

Page 13: ...he parts in the order listed Fuel tank Refer to FUEL TANK CANISTER in 7HC F8197 10 chapter 3 Fuel tank stay Refer to FUEL TANK CANISTER in 7HC F8197 10 chapter 3 Engine switch and oil warning unit Ref...

Page 14: ...7HC F8197 10 chapter 3 2 Adjust 9 Governor Adjustment steps a Loosen the governor arm bolt 1 b Turn the governor arm 2 clockwise until it stops c Turn the governor shaft 3 clockwise until it stops d...

Page 15: ...W Y Y R R 1 2 3 4 5 6 1 Spark plug 2 TCI unit 3 Oil warning unit 4 Oil level switch 5 Oil warning light 6 Engine switch Color code B Black L Blue R Red Y Yellow B W Black White ELECTRICAL CIRCUIT DIAG...

Page 16: ...Pa kg cm2 psi Net output kW PS r min 8 7 11 8 3600 Fuel Unleaded regular gasoline Fuel tank capacity L US gal Imp gal 6 1 1 61 1 34 Engine oil quantity L US qt Imp qt 1 1 1 16 0 97 Recommended engine...

Page 17: ...in 0 7 0 8 0 028 0 031 The power rating of the engine indicated in the SPECIFICATIONS is the net power output tested on an engine model and measured at 3600 r min Actual power output for an installed...

Page 18: ...ring Type Barrel Dimensions B T 1 2 3 1 0 0472 0 1220 End gap 0 20 0 35 0 0079 0 0138 Limit 0 6 0 0236 Side clearance 0 04 0 08 0 0016 0 0031 Limit 0 13 0 0051 2nd ring Type Taper Dimensions B T 1 2 3...

Page 19: ...nkshaft free play 0 0 2 0 000 0 008 Connecting rod mm in Small end diameter A 20 006 20 020 0 7876 0 7882 Oil clearance 0 006 0 025 0 0002 0 0010 Big end diameter B Big end oil clearance Limit Camshaf...

Page 20: ...4 Limit IN 1 6 0 063 EX 1 6 0 063 Valve seat contact width IN 0 7 0 9 0 0276 0 0354 EX 0 7 0 9 0 0276 0 0354 Limit IN 1 6 0 063 EX 1 6 0 063 Valve seat width IN 0 7 0 9 0 0276 0 0354 EX 0 7 0 9 0 0276...

Page 21: ...49 20 50 23 59 Tilt limit mm in 1 7 0 0669 Carburetor mm in Type manufacture I D mark Bore size 26 Main jet 1 15 0 045 Main air jet 1 4 0 055 Pilot air jet 1 0 0 039 Pilot outlet 0 8 0 031 Valve seat...

Page 22: ...J Ignition system Ignition timing at 3600 r min BTDC 20 3 Primary coil resistance 20 Secondary coil resistance k 20 Spark plug cap resistance k 3 75 6 25 at 20 C 68 F TCI unit air gap mm in 0 4 0 6 0...

Page 23: ...M6 1 0 10 1 0 7 2 Flywheel nut M18 1 5 120 12 87 Cylinder air shroud plate bolt M6 1 0 7 0 7 5 1 Governor arm bolt M6 1 0 8 0 8 5 8 Throttle lever assembly bolt M6 1 0 7 0 7 5 1 Throttle lever assemb...

Page 24: ...5 27 2 7 20 Connecting rod cap bolt M8 1 25 20 2 0 14 Float chamber bolt 7 0 7 5 1 Carburetor drain screw 1 3 0 13 0 94 Main jet 0 7 0 07 0 51 Pilot jet 1 2 0 12 0 87 Throttle valve screw 0 7 0 07 0...

Page 25: ...le sections of this book To avoid warpage tight en multi fastener assemblies in a crisscross fashion in progressive stages until full torque is reached Unless otherwise specifications call for clean d...

Page 26: ...l Connecting rod cap bolt E Piston pin E Piston E Balancer shaft journal E Balancer shaft gear teeth E Crankshaft gear teeth E Valve stem E Valve stem end Valve rocker arm shaft Valve push rod end E V...

Page 27: ...arrow Make sure there is no excessive slack in the lead inside the fan case C Route the TCI unit lead as shown D The lead is black and the pro tector is gray E Pass through the leads to the wire harne...

Page 28: ...ad 9 Engine switch A Pass through the leads to the wire harness protector and then push into the oil warning unit towards back B Fasten the ground terminal and oil warning unit together C The lead is...

Page 29: ...sure that the high ten sion cord is not pinched when installing the flywheel cover B Adjust the TCI unit air gap between 0 4 0 6 mm 0 0157 0 0236 in on both sides C Pass the TCI unit lead through the...

Page 30: ...level switch A The lead is black and the pro tector is gray B Touch the tube gray with the grommet C Route the oil level switch lead as shown Color code B Black Gy Gray OIL LEVEL SWITCH CRANKCASE COV...

Page 31: ...3 4 5 6 1 Spark plug 2 TCI unit 3 Oil warning unit 4 Oil level switch 5 Oil warning light 6 Engine switch Color code B Black L Blue R Red Y Yellow B W Black White CIRCUIT DIAGRAM 7HC F8197 11_cover m...

Page 32: ...MX360 SUPPLEMENTARY SERVICE MANUAL 7HC F8197 11 LIT 19616 02 34 2015_09 1 7HC F8197 11_cover mihiraki indd 1 2015 09 01 9 52 50...

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