This is a special clutch kit that allows you to use the stock main shaft (stock transmission) as is and install a high end clutch unit.
[Special Clutch Cover TYPE-R (DRY) Detail]
Die-cast aluminum R. Crankcase cover is adopted.
The surface is painted black.
WET and DRY R. Crankcase cover shape is common, so it is possible to change both wet and dry specifications after purchase.
The clutch part has a separate chamber structure, and in the case of a wet clutch, the engine oil and the clutch oil can be separated.(Brand name, specification, etc.)
The clutch type is a wire type. The rack and pinion system, which is known for its light and smooth operation, is used.
The surface of the forged aluminum clutch cover has been shot blasted.
The cover for the dry clutch has a large ventilation hole to improve the cooling effect.
[Built-in oil element / oil through nut]
■Built-in oil element
Filters out impurities such as sludge and metal wear particles in the oil.
The oil element is a cartridge type paper type.
■Oil through nut
Substantial weight reduction can be done!!!
Centrifugal oil filter approx.1069g → Oil through nut approx.123g
You can remove the stock centrifugal oil filter which puts a burden on the crankshaft by replacing it with the attached oil through nut.
This allows the crankshaft weight to be reduced from approximately 1069g to approximately 123g, resulting in a significant weight reduction.
Also, the engine response will be improved by reducing the load on the crankshaft.
By installing the oil through nut, the oil line leads to the crankshaft.
Because it passes through the oil element, clean oil always flows to the crankshaft.
■Oil level check window
■Large filler cap
[Optional parts (oil cooler / thermostat) can be installed]
■Oil outlet
Oil can be taken out from the cover body directly to the oil cooler.
SP Takegawa has an oil cooler kit for bikes with special clutch covers.
■Patented structure: Thermostat mounting and oil line structure
Overcooling can be prevented by installing thermostat unit (sold separately) when SP Takekawa oil cooler kit (specification to take oil out from clutch cover) is installed.
*Must be installed with SP Takegawa oil cooler kit.
[Optional parts (oil line hose) can be installed]
■New mechanism
The oil line that flows to the cylinder head side can be changed to go through the oil element.
By installing the oil line hose kit (sold separately), oil flowing to the head side can also pass through the oil element.
This prevents engine damage caused by oil sludge.
[special clutch inner kit type-r]
By using the special adapter, installing the special clutch with the stock main shaft (stock transmission) can be done.This eliminates the need to disassemble the crankcase and allows the clutch to be assembled with the engine still mounted in the vehicle.
■6-disc specification
You can choose between a wet clutch and a dry clutch.
By reducing the diameter of the rotating parts such as the clutch outer, the loss of horsepower due to oil diffusion is reduced, the response is further improved, and the rotating mass weight is reduced, so the engine power can be transmitted without waste.
Six-disc design with five KV friction discs and one judder friction disc.This reduces judder when starting and at the same time increases the clutch capacity to accommodate high power engines.
In addition, the clutch unit can be used for both wet and dry clutches, making it possible to change the specifications for both.
■Slipper clutch (*with slipper)
The slipper clutch reduces the shock of sudden engine braking when downshifting at high RPM.
This reduces sudden posture changes, rear tire hopping, and load on the engine.
■Primary driven gear with built-in damper
Built-in rubber damper to reduce shock to gears when clutch is engaged.
■Clutch spring
Excellent fatigue resistance and stable clutch feel.