128ci Big Bore Kit with Highlighted Fins – Black. Fits Milwaukee-Eight 2017up 114ci Engine.


1 in stock

SKU: SS910-0684 Categories: , , ,
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Features & Benefits:-

* Upgrades Milwaukee-Eight 114ci to 128ci

* 114ci to 128ci Big Bore Kit

* 4.250in. Bore

* 4.500in. Stroke (4-1/2in.)

* Forged Pistons.

* 11.1 Compression Ratio.

* Wrinkle Black Finish.

* With Highlighted Fins.

* Bolt-on Kit.

* No Crankcase Machining Required.

* Includes Gaskets & Hardware.

Tech Tips:-

* Will Not Fit 107ci Models.

* Use Care during assembly to avoid damage to Cylinder Spigots.

* Ring gap & Piston to Cylinder Clearance should be checked.

* Rev Limit should be set at 3500 rpm for Initial Run In Period.

* Re-Calibration of Ignition Timing & Fuel Mixture is required.

Proudly Made in the USA by S&S Cycle !