Linhai ATV 500-D T3 EFI, Service Manual

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CHAPTER 3 ENGINE
LH500ATV-D T3 EFI SERVICE MANUA 19.0
CHAPTER 3 ENGINE PAGE. 3- 19
REF.
NO ITEM Type/SPECIFICATION
1
Type Single Cylinder, 4-Storke, Liquid-cooled,
4 Valve, SOHC
2 Bore and stroke 87.5mm×82.0mm
3 Displacement 493ml
4 Compression ratio 10.2: 1
5
Lowest continuous idle speed with load 1400r/min±100r/min
6 Starting type Electrical starting
7
Electrical
System
Ignition /
Ignition Timing
CDI Magneto ignition/BTDC10°1500r/min
EFI ECU Magneto ignition/BTDC10°1500r/min
Spark Plug/
Spark Plug Gap
DPR7EA-9 (NGK)/0.8mm-0.9mm
Magneto Permanent Magnet AC Type
8
Combustion
System
Combustion Chamber Triangle Combustion Chamber
Carburetion Type/Model Vacuum Diaphragm Type/MIKUNI BSR36-129
Air Filter
Sponge Element Filter
Gasoline
RQ-90
9
Valve
System
Valve Type SOHC/Chain Drive
10
Lubrication
System
Lubrication Type Pressure & Splash
Oil Pump Rotor Type
Filter Type Full Flow Filter Screen
Oil Type SAE10W-50/SN
11
Cooling
System
Cooling Type Closed Coolant Circulation
Coolant Type —35
℃
Rust-resistant antifreeze
12
Drive
System
Clutch type Wet, Auto-centrifugal
Operation Mode Automatic(CVT)+Parking and Gear Shifting
Gears 2 Forward Gears + 1 Reverse Gear
Shift Type/Sequence Hand Operation/L-H-N-R
(CVT) Gear Ratio
2.88-0.70
Transfer
Gear Ratio
Final Ratio 1.333(24/18, bevel gear)
Secondary
Ratio 1.952(41/21)
Gears Low Gear:2.25(36/16) High Gear :1.35(27/20)
Reverse Gear:1.471(25/17)
Total Low Gear:5.857, High Gear:3.514,Reverse Gear:3.828
13 Overall Dimension 610×568×519mm
14 Net Weight 70kg
15 Output type Front and rear shaft output
16 Rotational Direction of Engine Output Clockwise (from behind engine at forward gear)
Engine Specification