Engine parts including cylinder, piston, crankshaft, and gaskets on a white background

Performance graph comparing different motorcycle models on a white background

Engine cylinder head with promotional text on a white background

Technical diagram of an engine valve head with Japanese text and red highlights on a white background.

Valve head specifications with text on a white background

Valve spring set with springs and retainers on a white background with red and yellow text.

Metal rocker arm with Japanese text and red banner on a white background

Denso iridium plug series with spark plugs and tools on a white background

Engine camshaft with technical specifications on a white background

Pistons with technical text and branding on a white background

Aluminum cylinder with text on improved heat dissipation and durability

Two motorcycle crankshafts with specifications on a white background with red and yellow text.

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125cc SE2-PRO Big Bore Kit Product # 212-1418805

Name: 125cc SE2-PRO Big Bore Kit Product # 212-1418805
Brand: Jpi motor
SKU: 42120026390610
Price: 214500.0 JPY
Availability: InStock

¥214,500

Tax included. Shipping calculated at checkout.

The 26x11-12 6PR ATV/UTV tire with dynamic tread pattern provides exceptional acceleration and traction. Versatile tread patterns perform well in soft to hard pack conditions. Lug design provides better braking control. Heavy 6 ply rated nylon construction resists punctures and abrasions. Tires only, wheels are not included.

Product variants

Hurry Up! Only 3 items left in stock!

Sku:

N/A

Availability:

In stock

Vendor:

Jpi motor

Category:

Engine

Product detail

Aluminum Hard Plating Cylinder
Displacement: 125cc
Bore Diameter: Φ57
Stroke: 48.96mm (Long stroke)
Valve assembled
Piston: Forged (3R specification)
Optional Forged Piston Kit (2R spec) 350-1413900

The pinnacle of the SOHC 2-valve head.
The specially designed big valves, ports, and combustion chamber shape make this a completely race-ready big bore kit that delivers both power extension at high rpm and durability performance.

Points of Attention

* If there may be an instruction manual included, it will be written in Japanese.

MODEL PAGE LINKS

HONDA

Estimate delivery times: 7-12 days (international)
Return within 30 days of purchase. Duties 7 tases are non-refundable

Shipping & return

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