PROOTOM OTOM D7 shim kit box for quick engine tuning.
PROOTOM OTOM D7 shims arrayed by precise sizes for accurate clearance.
PROOTOM OTOM D7 shim diameter 7.48 mm for multiple bike models.
PROOTOM OTOM D7 size range 1.20–3.50 mm in 0.05 mm steps.
PROOTOM OTOM D7 carburizing steel shims for durable use.
PROOTOM OTOM D7 valve gasket kit included.
PROOTOM OTOM D7 shim kit box for quick engine tuning.
PROOTOM OTOM D7 shims arrayed by precise sizes for accurate clearance.
PROOTOM OTOM D7 shim diameter 7.48 mm for multiple bike models.
PROOTOM OTOM D7 size range 1.20–3.50 mm in 0.05 mm steps.
PROOTOM OTOM D7 carburizing steel shims for durable use.
PROOTOM OTOM D7 valve gasket kit included.

PROOTOM OTOM D7.48mm Adjustable Valve Shim Kit – 141pcs (1.20–3.50mm)

Overview The PROOTOM OTOM D7.48mm Adjustable Valve Shim Kit is designed for precise maintenance of valve clearance...
Vendor: PROOTOM
Availability: In stock
£81.58
£81.58
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PROOTOM OTOM D7 shim kit box for quick engine tuning.

PROOTOM OTOM D7.48mm Adjustable Valve Shim Kit – 141pcs (1.20–3.50mm)

£81.58
PROOTOM OTOM D7 shim kit box for quick engine tuning.
PROOTOM OTOM D7 shims arrayed by precise sizes for accurate clearance.
PROOTOM OTOM D7 shim diameter 7.48 mm for multiple bike models.
PROOTOM OTOM D7 size range 1.20–3.50 mm in 0.05 mm steps.
PROOTOM OTOM D7 carburizing steel shims for durable use.
PROOTOM OTOM D7 valve gasket kit included.

PROOTOM OTOM D7.48mm Adjustable Valve Shim Kit – 141pcs (1.20–3.50mm)

£81.58
Description
Description
x

Overview

The PROOTOM OTOM D7.48mm Adjustable Valve Shim Kit is designed for precise maintenance of valve clearance on popular 250cc off‑road bikes. It brings a complete range of shim sizes into one durable, easy‑to‑store package, so you can tune engine feel and consistency with confidence.

What’s inside the kit

  • Diameter 7.48 mm; thickness from 1.20 to 3.50 mm in 0.05 mm increments, with 3 shims per size, totaling 141 pieces across 47 specifications.
  • Durable carburizing steel construction for long‑lasting performance under regular maintenance.
  • Includes a valve gasket kit to support complete valve service sessions.
  • Packed in a sturdy box for organized storage and easy transport to the pit or shop.

Compatibility and fitment

Designed to suit all Japan‑market 250F off‑road models, including popular bikes from Honda, Kawasaki, Suzuki, and Yamaha. The broad size range and precise increments make it suitable for a variety of valve clearances encountered during routine maintenance.

Why riders choose this kit

  • Extensive size range (1.20–3.50 mm) with fine 0.05 mm steps supports careful, incremental dialing of valve clearance.
  • Large selection (141 pieces) and 47 distinct specifications help you cover common service scenarios without reordering mid‑job.
  • Carburizing steel shims offer reliable durability, reducing the need for frequent replacements during ongoing maintenance.
  • A dedicated gasket kit is included, offering everything you need for a complete valve service in one package.

Usage notes

During maintenance, consult your service manual to determine the target clearance and select the closest shim size in 0.05 mm steps. Regular checks help keep engine timing and valve action consistent, while the included gasket kit supports secure resealing after service.

FAQ

Q: What bikes is the PROOTOM OTOM D7 shim kit compatible with?

A: Designed for popular 250F off-road models, including CRF 250R/X, KX, RMZ, YZ 250F/WR250F, and other Japan 250F bikes.

Q: How does this kit help during valve maintenance?

A: The 0.05 mm increments with 3 shims per size and clear packaging aid quick, precise valve clearance dialing during service.

Shipping & Return
Shipping & Return
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Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

Shipping

We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

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