This Start Lever Pivot is a Genuine JAP part for the JAP 4/3 model engine, made from durable metal to withstand repeated use. It forms the turning point for the start lever, giving smooth, controlled movement and maintaining correct alignment in the starting linkage. Designed to work with both the hand start lever and the kick-start arrangement, it helps restore reliable starting on vintage JAP assemblies such as the JAP 3 and JAP 4 engines. Identified by MPN 21792/1 and OEM reference L1792/1, it is a direct replacement that fits the original mounting without modification. Supplied as vintage unused stock, the surface may show light tarnish from age, which does not affect function. Ideal for restorations where authenticity and correct geometry matter.

Key Features:
– Genuine JAP part for correct fit and function on JAP 4/3 series engines
– Compatible with both hand-start and kick-start mechanisms for flexible use
– Robust metal construction resists wear at the pivot point
– Maintains lever alignment to reduce play and improve starting consistency
– Direct replacement to OEM No. L1792/1 for easy identification
– Designed to install in original housings with standard workshop tools
– Supports smooth pivot action to protect surrounding linkages
– Suitable for JAP 3 and JAP 4 engines commonly used in classic equipment
– Vintage unused stock; minor age-related tarnish does not impact performance
– Helps restore authentic operation while preserving original specification

Typical Applications:
Used during engine rebuilds, refurbishments, or routine maintenance when the original pivot is worn, bent, seized, or missing. Common on vintage JAP stationary engines where a precise, low-friction pivot is needed to ensure dependable hand or foot starting. Ideal for preservation projects and keeping classic machinery serviceable.

Also known as:
Starter lever pin, lever spindle, pivot spindle, fulcrum pin, rocker pin, lever axle, hand-start spindle, starting linkage pivot, start pin, lever pivot pin.

Fits Models:
JAP 3, JAP 4

Alternate Part Numbers:
L1792/1, L17921

Product Specifications