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Yamaha MX360 Engine
General Technical Data
Yamaha MX360 Engine Specifications
Engine Model ................ Yamaha MX360
Engine Type ................ 4-cycle hemi-head overhead valve 1-cylinder air-cooled gasoline engine
Number of Cylinders ................ Single
Displacement, cu.in (cc) ................ 21.8 (358)
Cylinder Bore, in (mm) ................ 3.35 (85.0)
Piston Stroke, in (mm) ................ 2.48 (63.2)
Rated Engine Power, hp (kW) ................ 11.8 (8.7)
Rated Engine Speed, rpm ................ 3600
Maximum Torque, Nm (ft-lbs) ................ 25.4 (18.7)
Torque Speed, rpm ................ 2400
Compression Ratio ................ 8.2:1
Valve Arrangement ................ OHV
PTO Shaft Rotation ................ Counterclockwise (from PTO shaft side)
Lubrication System ................ Forced splash type
Cooling System ................ Forced air
Ignition System ................ TCI (transistor controlled ignition)
Starting System ................ Recoil or electric starter
Fuel System
Fuel System Type ................ Carburetor
Carburetor Type ................ Float
Governor Type ................ Centrifugal, flyweight
Fuel Tank Capacity, qts (L) ................ 6.5 (6.1)
Fuel Type ................ Gasoline (86 or higher)
Dimensions and Weight
Overall Length, in (mm) ................ 16.4 (418)
Overall Width, in (mm) ................ 18.2 (462)
Overall Height, in (mm) ................ 18.3 (465)
Dry Weight, lbs (kg) ................ 72.5 (33.0)
Yamaha MX360 Maintenance Data
Service Data
Cylinder Bore Inside Diameter (Max), in (mm) ................ 3.3529 (85.165)
Cylinder Head (Max. Out of Flatness), in (mm) ................ 0.003 (0.08)
Intake Valve Clearance, in (mm) ................ 0.004 (0.10)
Exhaust Valve Clearance, in (mm) ................ 0.004 (0.10)
Engine Oil and Filter
Engine Oil Type ................ Yamalube, SAE 10W, SAE 10W-30, 10W-40
API Service Classifications ................ SE or SF
Oil Capacity, qts (L) ................ 1.17 (1.10)
Air Filter Element Part Number ................ 7HC-E4450-00
Ignition System
Spark Plug Type ................ NGK BPR4ES
Spark Plug Gap, in (mm) ................ 0.028-0.032 (0.70-0.80)
TCI Air Gap, in (mm) ................ 0.008-0.024 (0.20-0.60)
Spark Plug Torque, Nm (ft-lbs) ................ 20 (14)
Service Intervals
Check Engine Oil Level ................ Every 10 hours
Service Air Filter Element ................ Every 50 hours
Clean and Adjust Spark Plug ................ Every 50 hours
Change Engine Oil ................ Every 100 hours
Clean Fuel Filter ................ Every 100 hours
Check Fuel Hose ................ Every 100 hours
Replace Spark Plug ................ Every 150 hours
Replace Air Filter Element ................ Every 200 hours
Check Carburetor Adjustment ................ Every 200 hours
Check Crankcase Breather Hose ................ Every 300 hours
Check and Adjust Idle Speed ................ Every 300 hours
Check and Adjust Valve Clearance ................ Every 300 hours
Tightening Torque Specs
Cylinder Head Cover Bolt ................ 11 Nm (8 ft-lb)
Cylinder Head Bolt ................ 50 Nm (36 ft-lb)
Crankcase Cover Bolt ................ 30 Nm (22 ft-lb)
Connecting Rod Cap Bolt ................ 20 Nm (14 ft-lb)
Flywheel Nut ................ 120 Nm (87 ft-lb)
Air Filter Element Nut ................ 0.9 Nm (0.65 ft-lb)
Air Filter Cover Nut ................ 1.6 Nm (1.2 ft-lb)
Spark Plug ................ 20 Nm (14 ft-lb)
- VIEW ALL MODELS
- Yamaha MX400 Specs
- Yamaha MX775V EFI Specs
- Yamaha MX800V EFI Specs
- Yamaha MX825V EFI Specs
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