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  • BS420 420cc Yukato Engine
BS420 420cc Yukato Engine

BS420 420cc Yukato Engine

  • Patented Design, Brand Oiginal from Japan, with 2 Year Limited Warranty!

Brand Original from Japan ,  with 2 Year Limited Warranty!

Anti-drop Knob

Anti-drop Knob design for Air Filter

Muffler Protection Mesh

Patented U-Shape Recoil Starter

The knob now is connected with air filter cover,

and better sealed to keep the filter elements dry.

keeps safety and avoids scalding

Recoil starter is designed ergonomically, and the spring is

Model No. BS420
Engine type
Forced air-cooling, 4-stroke, OHV, horizontal shaft
Bore x Stroke (mm) 90 x 66
Displacement (cm³) 420 c
Compression Ratio 8.5 : 1
Announced Max. Power 15 HP
Max. Net power / 3600 rpm 10.1 kW (13.5 HP)
Cont. rated power / 3600 rpm 8.1 kW (10.8 HP)
Cont. rated power / 3000 rpm 7.5 kW (10.0 HP)
Net Torque (Nm / 2500 rpm) 27.5 Nm
Idle speed (rpm) 1750±50
Ignition System Transistorised Magneto Ignition
Starting System Recoil (electric start optional)
Fuel Tank Capacity (L) 7.5
Engine Oil Capacity (L) 1.1 Liter
Fuel cons. at cont. rated power
4.0 L/h - 3600 rpm
Fuel Consumption (g/kw.h) 375
Net / Gross Weight (kg) 30.5/33.5
Dimension  (l×w×h mm) 456×355×459
Container load Pcs (40'HQ) 220/574



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Exclusive Distributor in Japan: PLUSYS CO., LTD. | 997 Yanagawashinden Sanjo, Niigata, 955-0002 Japan