The Yamaha MX360 is a 358 cc (21.8 cu-in) single-cylinder air-cooled 4-stroke internal combustion general-purpose gasoline engine with horizontal shaft manufactured by Yamaha Motor Co., Ltd.
The Yamaha MX360 engine has a hemispherical combustion chamber with V-valve layout; float type carburetor; centrifugal flyweight governor; mechanical splashing lubrication system; Transistor Controlled Ignition (T.C.I.) and recoil or electrical (option) starter. The starter knob position can be adjusted by each 45°. Microwave harden crankshaft, camshaft and balancer shaft with dual bearing support provide extremely long. The high-tech exhaust valve (Stellite® coated and tufftride® finished) resists very high temperature. To be pushed the crank down directly, the cylinder arranged off from the crankshaft center.
An 85.0 mm (3.35 in) cylinder bore and 63.2 mm (2.48 in) piston stroke give the engine a total of 358 cc of displacement. Compression ratio rating is 8.2:1. The engine produced 11.8 PS (8.7 kW) at 3,600 rpm of maximum horsepower and 9.9 PS (7.3 kW) at 3,600 rpm of continuous rated power. Maximum torque is 25.4 N·m (2.6 kg·m, 18.7 ft·lb) at 2,400 rpm of torque.
|Type||4-stroke, Hemi-head OHV, single cylinder|
|Displacement||358 cm3 (21.8 cu-in)|
|Max. horsepower||11.8 PS (8.7 kW) at 3,600 rpm|
|Max. torque (crank PTO)||25.4 N·m (2.6 kg·m, 18.7 ft·lb) at 2,400 rpm|
|Ignition system||Transistor Controlled Ignition (T.C.I.)|
|Lubricating system||Mechanical splashing|
|Starting system||Recoil or Electrical (option)|
|Fuel used||Unleaded gasoline (octane number 86 or higher)|
|Fuel tank capacity||6.1 L (1.61 US Gal, 1.34 Imp Gal.)|
|PTO shaft rotation||Counterclockwise (from PTO shaft side)|
Dimensions and Weight
|Length, mm (in)||418 (16.5)|
|Width, mm (in)||462 (18.2)|
|Height, mm (in)||464 (18.3)|
|Dry weight, kg (lb)||33.0 (72.7)|
|Intake valve clearance||0.10 mm (0.004 in)|
|Exhaust valve clearance||0.10 mm (0.004 in)|
|Oil type||Yamalube 4-stroke or an equivalent (SE or SF)|
|Recommended oil||SAE 10W-30, 10W-40|
|Oil capacity||1.1 L (1.16 US. qt, 0.97 Imp. qt.)|
|Spark plug||NGK: BPR4ES|
|Spark plug gap||0.7-0.8 mm (0.028-0.031 in)|
|T.C.I. air gap||0.4 ± 0.2 (0.016 ± 0.008)|
|Spark plug tightening torque||20 N·m (2.0 kg·m, 14 ft·lb)|
We try to use verified sources and official documentation, however, differences between sources or errors in entering information may occur. We do not provide advice on technical issues related to the engines operation or repair. We do not recommend using provided information for engines repairing engines or spare parts ordering, use only official service manuals and spare-parts catalogs.
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