4
For safe operation and maintenance, symbols are
carved in relief on the machine. According to these
indications, please be careful not to take a mistake.
(a) The port to refuel the "MIX GASOLINE"
Position: FUEL TANK CAP
(b) The direction to close the choke
Position: AIR CLEANER COVER
(c) The direction to open the choke
Position: AIR CLEANER COVER
2. Symbols on the machine
3. Specifications
ZENOAH Knapsack Brushcutter
Name/Type
BK3410FL/BK3410FL-S BK4310FL/BK4310FL-S
Handle Type Loop
Machine Weight (✽1) kg 8.8 9.0
Outward Size (L x W x H) mm 315 x 270 x 410
Outer pipe mm 1500 (FL)/1400 (FL-S) ø26
Applied Head
2-teeth blade(12”), 4-teeth blade, 8-teeth blade, round saw blade(10”), line head
Power Transmission Method Automatic centrifugal clutch, spiral gear
Reduction Rate 1.235 (21 : 17)
Blade Rotating Direction Counterclockwise (from operator' s view)
Type Single cylinder air cooling 2-cycle gasoline engine
Displacement Volume cc 33.6 41.5
Fuel Tank Capacity 1.3
Fuel Used Lubricating oil mixed gasoline
Lubricating Oil Used 2-cycle engine oil
Engine Mixing rate when using ZENOAH genuine oil (FC grade): 50:1
when using market oil (FB grade): 25:1
Carburetor float, piston valve
Sparking Method C D I
Spark Plug Champion RCJ-6Y
Starting Method Recoil starter
Stopping Method Sparking Circuit Primary Short (push button)
(✽1) excluding cutting head, shoulder strap and fuel
Please note that due to improvement, detailed specifications of the product may differ from the information herein.