Displacement: 181cc (WET) (Wet clutch type) (Bore diameter: Φ34 / compression ratio: 12.5: 1) Camshaft: Auto decompression camshafts (standard 10 / 10D camshafts) Clutch Specifications / Method of Operation: Special Clutch TYPE-R (Wet) / 6 Disc (without slipper clutch) Cross Mission: TAF 5 speed Valve diameter (IN) / (EX): 25mm x 2 / 21.5mm x 2 Valve stem shaft diameter (both IN and EX): 4.5mm
[Engine specifications] ・Super Head 4V+R Cylinder Head ・Camshaft ・Ceramic-Mexi Linder ・Super Cam Chain Tensioner ・Special Clutch TYPE-R (WET) Wet Clutch ・TAF 5-speed cross transmission ・Big Throttle Body Kit
*When you purchase a complete engine, you may be asked to fill out a pledge form.Please note that this is not a guarantee. *Engine specifications other than those set by SP Takegawa cannot be changed. *When a complete engine is installed, there will be an error in the speedometer display, and to correct it, you will need to purchase the SP Takekawa speed sensor kit separately. *The part number of the speed sensor kit differs depending on the specification of the vehicle and caliper bracket. *Always use high-octane gasoline as fuel.(Knocking or other problems may result in an accident.) *When the complete engine is installed, FI-CON TYPE-X (Injection Controller) must be installed at the same time. *No engine oil is included.The engine oil must be purchased separately and filled by the customer. *Starter motor, generator, generator cover and support plate are not included.Please use stock parts. *In order to get the best performance out of the complete engine, the recommended FI controller TYPE-X (injection controller) and exhaust are required. *This product has been developed exclusively for competition use. *When using FI-CON TYPE-X, you will need a computer or smartphone suitable for the conditions.If you do not have the specified operating environment, you cannot use this product.You will also need to be connected to the Internet to download software and applications.In the case of an application, a fee is charged.Please refer to "FI-CON TYPE-X Operating Environment" for the operating environment of PC and smart phone. *Please do not install any aftermarket H.I.D kit or any other company's LED headlights or fog lamps at the same time.Some ballasts / inverters (voltage conversion devices) emit high-voltage noise that adversely affects digital circuits, causing product failure or malfunction. *Please do not install the headlight ON / OFF switch and the aftermarket ignition system at the same time. *There may be changes in product specifications due to the manufacturer's reasons.
*Depending on the lot, the product may be delivered with the old price and label with the old JAN code before the price change. * Please note in advance that cancellation and/or return of this product cannot be accepted once the order has been placed.
* This item can not be cancelled, returned nor exchange after placing an order.
[Super head 4v+r (port / combustion chamber shape)] Super head 4V+R (1 cam 4valve) Two intake / exhaust valves are used each to increase the valve curtain area and achieve high intake / exhaust efficiency. The original head shape was designed to balance the center plug, valve pinching angle, combustion chamber shape, and port shape to achieve a higher output than the stock head. The combustion chamber is finished with high accuracy by NC machining. The Superhead 4V+R cylinder head has an unpainted "silver" surface.
Valve diameter IN: 25mm x 2 / EX: 21.5mm x 2 Valve Stem Shaft Diameter: 4. 5mm for both IN and EX The use of unequal pitch valve springs prevents surging at high RPM.
Adopted forged aluminum roller rocker arms The frictional resistance with the camshaft is reduced, and smooth operation is realized.
Auto decompression camshafts (standard 10 / 10D camshafts) Smooth engine starting is possible without placing a burden on the starter. Optional Parts: 15 / 15D Camshaft It improves the output performance in the mid to high RPM range.
Since the inspection breather cover is included, you can release the internal pressure of the engine by purchasing the oil catch tank kit separately. Inspection Breather Cover, Inspection Cover, L. Cylinder Head Side Cover are all made of die-cast aluminum with barrel polished finish.
[reinforced crankshaft] ■Cylinder The cylinder is an all aluminum ceramic cylinder with excellent durability, airtightness and heat dissipation.Surface unpainted. An oil outlet is provided so that oil can be taken out to the oil cooler. In the case of the complete engine, this oil outlet is used to connect the special clutch cover to the cylinder with the oil line hose. This changes the oil line flowing to the cylinder head side to via the oil element.
■High compression piston (compression ratio 12.5)1 is adopted) Pistons designed for high performance and durability. The piston top is NC machined for high precision.
■Reinforced crankshaft (X-shaped connecting rods) The X-shaped connecting rod is used to achieve high strength and light weight. This makes the crankshaft much stronger than the stock crankshaft and is suitable for high displacement complete engines. It is lightweight and strong enough, and its buckling stress diffusion and torsional rigidity are greatly improved. Surface shot finish. Die Hard Alpha Cam Chain 88L adoption.
■Big Throttle Body Kit You can get the best performance from the super head and enjoy the engine characteristic without stress to the high RPM range.Bore Diameter: Φ34 Air filter kit (for big throttle body): By increasing the surface area, high inhalation efficiency can be obtained.With blow-by union. With the installation of the big throttle body, it is necessary to change to the large capacity injector that comes with the complete engine.
[Special Clutch TYPE-R (WET) / TAF 5-Speed Cross Transmission] Special Clutch TYPE-R (WET) Wet clutch Equipped with a special clutch kit that uses a high end clutch unit and a special clutch cover with excellent functionality.
■Special Clutch Cover Details Die-cast aluminum R. Crankcase cover is adopted.Black painted surface. 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.) For the complete engine, the clutch cover is only available as a wire type. The wire type uses a forged aluminum clutch cover and a rack and pinion system that is known for its light and smooth operation. The surface of the forged aluminum clutch cover has been shot blasted.
■Built-in oil element Filters out 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.
■Oil level check window and large filler cap adopted
■Oil outlet Oil can be taken out from the cover body directly to the oil cooler. SP Takekawa has the oil cooler kit for the vehicle with special clutch cover.
■Patented structure: Thermostat mounting and oil line structure Overcooling can be prevented by installing optional thermostat unit when SP Takegawa's oil cooler kit (with the specification that oil is taken out from the clutch cover) is installed. *Must be installed with SP Takegawa oil cooler kit.
■New mechanism The oil line that flows to the cylinder head side is changed to go through the oil element The oil line hose on the complete engine allows the oil flowing to the head side to pass through the oil element. This prevents engine damage caused by oil sludge.
■Special Clutch Inner Kit TYPE-R Details 6-disc (without slipper clutch) specification 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. For the complete engine, the clutch construction is only available without slipper clutch.
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.
■TAF 5 Speed Cross Transmission Kit (1st gear: 2.333 / 2-speed: 1.684 / 3-speed: 1.272 / 4-speed: 1.040 / 5-speed: 0.923) By installing TAF 5 speed cross transmission, you can accelerate smoothly while keeping the power band of the engine rpm. It can be used with SP Takegawa's big bore kit without changing the torque-full output characteristics. This product secures the tooth width by shortening the travel of each gear, and improves durability.
[super cam chain tensioner] Other internally adopted parts ■Crankshaft support adapter (patent pending structure) The crankshaft journal has been changed from a 3-point support to a 4-point support to reduce crankshaft shake at high rpm and increase crankshaft durability.
■Super Oil Pump In order to find the optimum oil discharge rate, an increase of approx. 35% from the stock rate is adopted. The strength of the oil pump body has been increased by increasing the thickness of the plate and the number of bolts that connect the body and plate.
■Super Cam Chain Tensioner It follows the cam chain and maintains the proper tension. The surface is hard anodized from super duralumin.
■Drain bolt with magnet (Silver) The main body of the drain bolt is made of finely machined aluminum with color anodized surface. The magnet on the drain bolt absorbs the iron powder mixed in the engine oil with strong magnetic force. This reduces the amount of iron powder in the oil and enables the engine oil to exhibit its original stable lubricating performance. Furthermore, SP Takegawa's aluminum drain bolts are equipped with a wire lock hole to prevent the bolts from falling off and a hole to insert SP Takegawa's stick temperature sensor. It is possible to measure the temperature at the drain bolt part by purchasing SP Takegawa's compact LED thermometer (with stick temperature sensor) or various meters with thermometer separately because the stick temperature sensor can be installed.
Points of Attention
* If there may be an instruction manual included, it will be written in Japanese.
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