The engine is fixed with BOSUER featured engine cover engraved with MOJO logo as BOSUER upgrad parts.
J4 chassis is made of steel, formed parts and high strengthened steel pipe connect together orgnize the structure. For being a dural bike, J4 equipped with additional 6.5L fuel tank for distant travel, the fuel pumped from rear to main tank. The bike also fixed with passenger's foot rest and baggage bracket upon tail fender.
CB250 2-valve engine, 4-stroke, 5-speed, electric and kick start
Steel full size dirt bike frame with linkage, steel swing arm
Wheel: Front 21", rear 18"
Affjedring: justerbar
Bremsesystem: Mojo-bremse, 2 stempler på forbremse, 1 stempel bag
Muffler & exhaust pipe: stainless steel exhaust pipe, alloy muffler body and nilon end
| MOTOR | Motor | ZS CB 223cc,air cooled,2-valve,E&kick start,5 gear |
| Boring X slaglængde (mm) | 69 * 62.2mm | |
| Expression rate | 8.3: 1-8.9: 1 | |
| Max Power | 12KW / 7000rpm | |
| Max drejningsmoment | 17N.m / 6000 rpm | |
| Transmission | 5 hastighed | |
| Tænding | CDI | |
| Karburator | PE28 | |
| Transmission | #520 kæde, 13T/45T | |
| CHASSIS | Frame | Højforstærket stålramme, struktureret og konstrueret af BSE |
| Swing Arm | High strengthened steel swing arm, 18inches | |
| Tredobbelt klemme | Smedet legering | |
| suspension | Front fork: 53/58.5-880mm, compression & rebound adjustment | |
| Rearshock： 480mm inner air bag, compression & rebound adjustment | ||
| Brake | Skivebremse, 240/240 mm skive | |
| Hjul | Forged alloy hub, 7 series alloy rim tire: 80/100-21 100/90-18 | |
| DIMENSIONER | Hjulbase | 1440mm |
| Sædehøjde | 920mm | |
| clearance | 280mm | |
| Tank Kapacitet | 13L (with additional fuel tank) | |
| Dimession | 2100 * 810 * 1260 mm | |
| Nettovægt | 112 ± 1 kg | |
| Bruttovægt | 132 ± 2 kg | |
| pakke Størrelse | 1860 * 580 * 1080mm |
