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Super head 4V+R(1 cam 4 valve)
By adopting one cam 4 valve cylinderhead, achieved a manageable output characteristics and high output !!

It is a bargain kit that the FI CON2 (injection controller) ,Big throttle body Kit and the spark plug is attached to the Super head4V+R Bore Up Kit 181cc.
Included larger diameter connecting tube which can be connected to stock air cleaner box.

商品詳細

Super head 4V+R Combo Kit181cc(with Big throttle)

Super head 4V+R Combo Kit181cc...

税抜価格 168,000 円
対応車種 GROM・MSX125SF
:GROM(JC61-1300001~)
:GROM(JC75-1000001~)
:MSX125SF

※Cannot be attached to GROM(JC61-1000001~1299999)・MSX125.
品番 01-05-0595

Super head 4V+R(1 cam 4 valve)

By increasing to two each in and ex valves to expand the valve curtain area, achieved a high intake and exhaust efficiency.
Since designed an original cylinderhead shape for 4 valve, achieved high output.
Combustion chamber is finished with high accuracy by NC machining.

■Intake and exhaust efficiency of SOHC premier class
Valve diameter:IN:25mm×2 / EX:21.5mm×2
Valve stem shaft diameter: IN, EX both 4.5mm
By adopting the unequal pitch valve spring, to prevent surging at high rotation.
Painted black to the surface of cylinder head.
Adopted an aluminum die-cast barrel polishing finish to the L. cylinder head side cover,breather cover and inspection cover.

■Forged aluminum roller rocker arm
It is possible to reduce the frictional resistance between the camshaft, achieved the smooth operation !!

Super head 4V+R Combo Kit181cc(with Big throttle) Combustion chamber configuration

Camshaft/Cylinder/Piston/Big throttle body

■Auto decompression camshaft
Without imposing a strain on the cell motor, it enables smooth engine start-up.

■Adopted all-aluminum ceramic plated cylinder.
Bore diameter: 63mm Stroke 57.9mm (Stock)
all-aluminum ceramic plated cylinder has excellent durability, tightness, heat dissipation.
Since equipped with oil outlet to the cylinder, it is possible to inhibit the oil temperature rise by purchasing the oil cooler kit separately.
Painted black to the surface of cylinder.

■Aluminum-cast piston
Compression ratio 12.5:1
Adopted a high compression specification
Piston in pursuit of high performance and durability.
Piston top is finished with high accuracy by NC machining.

■Big throttle body Kit for Super head 4V+R
Higher output is achieved on wide powerband compared with stock throttle body.
Big throttle body:φ34
Included larger diameter connecting tube which can be connected to stock air cleaner box.
Big throttle body Kit comes with a connecting tube and fuel injector(00-00-0487).

Super head 4V+R Combo Kit181cc(with Big throttle) Roller rocker arm

FI CON2(injection controller) for Super head4V+R

Injection controller which can be changed the settings easily by switching the rotary switch of the main body.

Super head 4V+R Combo Kit181cc(with Big throttle) Auto decompression camshaft

Super head 4V+R Combo Kit 181cc

It is a bargain kit that the FI CON2 (injection controller) ,Big throttle body Kit and the spark plug is attached to the Super head4V+R Bore Up Kit 181cc.

Super head 4V+R Combo Kit181cc(with Big throttle) Piston

Note

When installing connecting tube, it is necessary to enlarge the mounting hole diameter of Stock air cleaner box.

■Parts that need to be installed at the same time.
Crankshaft support adapter for GROM(JC61-1300001~/JC75-1000001~)・MSX125SF.
Item NO.01-10-0138

■FI CON2(injection controller) for Super head 4V+R
Only for GROM(JC61-1300001~/JC75-1000001~)・MSX125SF.
Can not be used with GROM(JC61-1000001~1299999)・MSX125.

Only for Super head 4V+R.
Can not be used with Stock Cylinder head.

Since the HID kit or other company's LED headlight can cause failure by high voltage noise, please do not use simultaneously.
Ignition system of goods outside the company (ignition coil and plug cord) is associated with the up of the ignition voltage, please do not use it can cause malfunction or failure of the product due to the increase of radiation noise.
The power generator of goods outside the company due to differences in shortages and voltage waveform of the power generation amount, it will be the cause of failure, please do not use.

Super head 4V+R Combo Kit181cc(with Big throttle) Big throttle body Kit

Click here for graph pdf data download

graph pdf data download

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