| MAIN SPECIFICATION |
|---|
| Hãng Xe (Make Model) | Junak Wb1/Wb3 |
| Năm Sản Xuất (Year) | 1959 - 65 |
| Production | 8500 |
| Động Cơ (Engine) | Four Stroke, Single Cylinder, Ohv |
| Dung Tích (Capacity) | 349 Cc / 21.3 Cub. In. |
| Đường Kính X Hành Trình Piston (Bore X Stroke) | 75 X 79 Mm |
| Tỷ Số Nén (Compression Ratio) | 7.0:1 |
| Cooling | Air/Oil Cooled |
| Hệ Thống Bôi Trơn (Lubrication) | Dry-Sump |
| Hệ Thống Điện (Ignition) | Magneto |
| Ắc Quy (Battery) | 14 Ah, 6V |
| Dynamo | 45 W |
| Khởi Động (Starting) | Kick-Start |
| Hệ Thống Ly Hợp (Clutch) | Multi-Plate Clutch With Cork Inserts Working In An Oil Bath |
| Công Suất Cực Đại (Max Power) | 14 Kw / 19 Hp @ 6000 Rpm |
| Mô-Men Xoắn Cực Đại (Max Torque) | 27.5 Nm / 2.8 Kgf-M / 20.3 Ft-Lb @3800 Rpm |
| Hộp Số (Transmission) | Four-Speed Constant-Mesh |
| Hệ Thống Truyền Động Cuối Cùng (Final Drive) | Chain |
| Tỷ Số Hộp Số (Gear Ratios) | 1St 3.04 / 2Nd 1.97 / 3Rd 1.29 / 4Th 1.00:1 |
| Khung Xe (Frame) | Double, Cradle-Type, Welded Throughout Of Tubing, Provided With Holders For Side Car Mounting. |
| Hệ Thống Treo Trước (Front Suspension) | Fork With Coil Springs Telescopic Shock Absorbers |
| Hệ Thống Treo Sau (Rear Suspension) | Independent Rear Wheel Suspension On Single Wishbone, Cooperating With 7- Leaf Spring Positioned Transversely; (Independent Rear Wheel Suspension On Single Wishbone , Cooperating With 7- Leaf Spring Positioned Transversely;) |
| Phanh Trước (Front Brakes) | Full Hub Width, Of Expander Shoe Type, Hand Operated |
| Phanh Sau (Rear Brakes) | Full Hub Width, Of Expander Shoe Type, Foot Operated |
| Bánh Xe (Wheels) | Wire Type, With Full Width Hubs Made Of Light Alloy, Interchangeable (Also With Side-Car Wheel). Both Wheels With Quick-Detachable Spindles |
| Lốp Trước (Front Tyre) | 19 In |
| Lốp Sau (Rear Tyre) | 12 In |
| Vành Trước (Front Rim) | 89 Mm / 3.5 In |
| Vành Sau (Rear Rim) | 89 Mm / 3.5 In |
| Khoảng Cách Giữa Điểm Tiếp Đất Và Trục Bánh Trước (Trail) | 72 Mm / 2.8 In |
| Overall Dimensions | Length: 2195 Mm / 86.4 In Width: 1490 Mm / 58.7 In Height : 1120 Mm / 44.1 In |
| Dimensions Of Sidecar | Length: 1800 Mm / 70.9 In Height: 1120 Mm / 44.1 In |
| Rear Track | 1020 Mm / 40.2 In. |
| Wheel Base | 2010 Mm / 79 In |
| Độ Cao Yên Xe (Seat Height) | 755 Mm / 29.7 In |
| Khoảng Trống Gầm Xe (Ground Clearance) | 170 Mm / 6.7 In |
| Wet Weight (Incl Sidecar) | 260 Kg / 573.2 Lbs |
| Weight Of Sidecar | 67 Kg / 147.7 Lbs |
| Load Capacity | 210 Kg / 463 Lbs |
| Dung Tích Bình Xăng (Fuel Capacity) | 17 L / 3.9 Us Gal |
| Average Consumption | 5.7 L/100 Km / 17.5 Km/L / 41.3 Mpg |
| Tốc Độ Tối Đa (Top Speed) | 85 Km/H / 52.8 Mph |
| Source | Article By T. Tomaszewski In Świat Motocykli 2003. |
