The legendary cylinder head "Superhead +R" which adopted the know-how of Takekawa's traditional Superhead and OHC's highest class large diameter valves, and demonstrated high power performance. Super head + R head kit, cylinder kit and camshaft are included in this set.  Great power and reliability!

• Super head +R - The standard cylinder head incorporates the technology and internal structure of the original super head to enable the largest OHC valves and the appropriate valve pinching angle, resulting in high output characteristics and stable output characteristics in the high rpm range.
• Adopted roller rocker arm - This product is forged aluminum rocker arms with integrated roller bearings. In contrast to the conventional slipper type rocker arm, the slipper part is made into a roller bearing to reduce friction loss and follow the cam profile smoothly from low to high speed rotation. The weight increase due to the use of roller bearings has been overcome by making the rocker arm body of forged aluminum.
• Auto decompression camshaft (attached camshaft: S-20D) - An oil line is installed in the center of the camshaft to guide the oil to the cam sprocket. This increases the durability and lubrication of the cam chain. In addition, an oil jet passage is installed in the camshaft cam surface, and oil is sprayed from the cam surface to the rocker arm to effectively cool and lubricate. The camshaft journals are supported by ball bearings on both ends to reduce frictional resistance to the camshaft during starting and at low speeds.

*Does not include intake manifold or carb.  Product as shown in picture. 

*Works with 55mm stroker crankshafts

*Fits 2010+ KLX110’s -  If using on 2009 or older please ask us to swap the cam gear out for the old style. 

Cylinder Material: Ceramic plating
Displacement: 138cc
Bore Diameter: 59mm
Compression ratio: 13.0: 1
Included Camshaft: S-20D
Intake Valve Diameter: 30mm
Exhaust Valve Diameter: 24.5mm
Valve Stem Shaft Diameter: 4.5mm for both IN and EX

Takegawa Part Numbers:  

Super Head - 01-01-0150 ; S20D Cam - 01-08-0187 ; Cylinder Kit -  01-04-0105