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FITMENT
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glom
(JC61-1000001-1299999)
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glom
(JC61-1300001-)
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MSX125
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MSX125SF
See all
HONDA
Product detail
Silver
Roller rocker arm:Aluminum Forging
Piston: Cast aluminum
[Specification]
・Displacement: 181cc
・IN: 25mm x 2 / EX: 21.5mm x 2
・Valve stem shaft diameter: 4.5mm for both IN and EX
・Inner diameter: 63mm
・Stroke: 57.9mm (Stock)
・Compression ratio: 12.5: 1
[Set components]
・Superhead 4V+R Kit
・Cylinder Kit
・Auto Comp Camshaft
・Spark Plug
**Injection controller is required to adjust the fuel according to the engine parts.
*SP Takegawa recommends you to purchase the tapered manifold adapter set separately to allow smooth intake from the stock manifold to the intake port.
*It is necessary to install FI Controller 2 (Injection Controller) at the same time to adjust the fuel according to the engine parts.
*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..
1 cam 4 valve head for easy handling and high output!
■Super Head 4V+R (1 cam, 4 valves)
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 highest class of SOHC intake and exhaust efficiency
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.
The cylinder head surface is painted black.
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 is made of die-cast aluminum with barrel polished finish.
Aluminum forged roller rocker arms
The frictional resistance with the camshaft is reduced, and smooth operation is realized!!!
The output can be maximized and maintained in the medium to high speed range.
■Camshaft / Cylinder / Piston
auto decompression camshaft
It is possible to start the engine smoothly without putting a burden on the starter.
All aluminum ceramic plated cylinders.
Bore Diameter: 63mm Stroke 57.9mm (Stock)
Ceramic plated cylinders have excellent durability, airtightness and heat dissipation.
Since the cylinder is equipped with an oil outlet to the oil cooler, the oil temperature rise can be suppressed by purchasing the oil cooler kit separately.
The surface of the cylinder is unpainted "silver".
Cast aluminum piston
Compression ratio 12.5: High comp specification with 1.
Pistons designed for high performance and durability.
The piston top is NC machined for high precision.
■Super Head 4V+R Big Bore Kit 181cc
Head kit, cylinder kit and auto decompression camshaft kit are included in the set.
Points of Attention
* If there may be an instruction manual included, it will be written in Japanese.
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