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Polaris valve bucket picker

Type each bucket number and the lash you measured. We'll pick the bucket that puts every valve back in spec.

Engine
Pro R 2.0 (4-cyl)XP Turbo, Turbo S (2-cyl turbo)
Feeler gauge in
InchesMillimeters

Spec, engine cold: intake 0.076-0.203 mm (.003-.008 in), exhaust 0.203-0.356 mm (.008-.014 in).

Get a quote on these buckets

How to measure

1. Lash

Engine cold. Turn the crank until the cam lobe over the valve points straight away from the bucket. Slide feeler gauges between the lobe and the bucket; the lash is the thickest one that slides with a light drag.

2. Bucket number

A 3-digit number on the bottom (inside) of each bucket: 450 means 4.50 mm thick. If it's worn off, mic the bucket and type the thickness, like 4.62.

3. Picking

Middle puts the gap closest to the middle of the spec. More gap or Less gap pick the loosest or tightest bucket that's still in spec. Keep a removed bucket if another valve needs that size.

Spec and bucket sizes from the Polaris service manual. Buckets come in 4.40 to 5.45 mm (Polaris 5138477-440 to -545).

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