AKF Maxi-Kit for Tuning Engine 85ccm, with long 5-speed gearbox and 5-plate clutch

AKF Maxi-Kit for Tuning Engine 85ccm


- Kit for a complete engine made of new parts
- All components are designed for a stable 85 cubic centimeter engine
- Kit includes a 5-speed gearbox with long 1st and long 5th gear
- Includes 5-plate clutch
- Crankshaft with 44mm stroke and 85mm connecting rod, cheeks milled and balanced for higher piston weight
- Engine housing spindled to Ø 54.2mm
- Tuning cylinder + head, LT85 2-channel with 1-ring piston (Long tuning / MZA)
- BVF racing carburetor 21N1-11 with jet set for fine tuning (main jet 72-115)
- All necessary starting and compensating washers in various thicknesses available
- Small sprocket 14-tooth with matching speedometer drive 15-tooth
- Clutch cover with opening for tachometer drive (with blind plug)
- Includes idle contact

Details: 5-speed gearbox:
- long 1st gear, significantly improved connection to 2nd gear
- long 5th gear, 24 teeth (fixed wheel) / 32 teeth (loose wheel)
- optimized draw wedge installed
- delivered already partially assembled

Details: 5-plate clutch:
- Tuning driver with retaining ring and reinforced plate spring 1.6mm
- 8-fold riveted clutch basket, straight-toothed (54/17)
- Needle-bearing clutch pressure plate (ZT-Tuning)
- Clutch discs A12 with reinforced driver noses (power absorption up to 20 Nm)
- Clutch plates tuning
- ZT Performance clutch plate

Other significant components:
- Gasket set Kautasit
- high-quality cylinder roller bearings for extreme load (crankshaft)
- Screwed shift drum mandrel
- Needle bearing for shift drum
- Swivel lever optimized
- Sealing cap CNC
- Reinforced fastening claws

Details: Cylinder LT85
- 2-channel cylinder with bore Ø 49mm
- Strong bushing Ø 54mm
- Inlet Ø 20mm
- Tuning piston Ø 49mm, coated steel piston ring 1.2mm, piston ring joint in the middle


Note:
The delivered engine kit consists largely of individual parts! Assembly should generally be carried out by an experienced Simson engine builder with suitable tools. (e.g. engine assembly stand, heat lamp, shift adjustment tool, etc.)
In the first operating hours, the engine should be moved gently and preferably with the fuel mixture 1:33. (We expressly recommend Motul 800 2T Road Racing)
The determined performance values may vary! The decisive influencing factors for this are the exhaust system, the drive train, the ignition system, the jetting, and the air filter.