Gilles OFC oil filler cap for Yamaha R3, with the colour inserts⟲ 360° — drag me
02 · Data & docs

The facts.

Technical data
BrandGilles Tooling
SeriesOFC
Part numberOFC-27-30
TypeOil filler cap
ThreadM27 x 3.0
Head diameter35.3 mm
MaterialAircraft-grade aluminium
Safety wireHoles provided
FitmentYamaha R3 (2015–2026)
Road approvalNot required (Gilles)
DescriptionThe whole story▼

The R3's 321 cc twin is the engine of one of the most popular beginner racing classes. Gilles lists the OFC-27-30 for its oil filler, a cap with holes for a safety wire.

Key Features

  • Thread M27 x 3.0, head diameter 35.3 mm
  • Holes for a safety wire
  • Hexagon socket plus the enclosed tool for opening and closing
  • High-grade aircraft aluminium
  • Fitted in a few seconds, according to Gilles
  • No registration required, according to Gilles

RH07 and RH12

The listing covers the R3 of 2015 to 2018 and from 2019.

One-make cups

In R3 cups and beginner classes, wired filler caps are common; this cap is prepared for it.

Learning to race

Beginner racers learn to prepare their bikes themselves, and wiring the filler cap is one of the first jobs they are taught.

Colour

Blue follows the Yamaha racing livery, which many R3 cup bikes wear.

Road Approval

No registration required, says Gilles, and no TÜV either: the OFC goes on the Yamaha R3 without an inspection and without any change to the papers.

Scope of Delivery

The OFC cap with M27 x 3.0, four coloured inserts to choose from, and the Gilles tool.

Fitting

Swap the caps with the bike upright and the engine cold. Hand-tight first, then snug with the tool; overtightening does nothing for the seal.

Specifications

  • Brand: Gilles Tooling
  • Series: OFC
  • Part number: OFC-27-30
  • Type: Oil filler cap
  • Thread: M27 x 3.0
  • Head diameter: 35.3 mm
  • Material: Aircraft-grade aluminium
  • Safety wire: Holes provided
  • Fitment: Yamaha R3 (2015–2026)
  • Road approval: Not required (Gilles)
What's includedEverything in the box▼
  • 1x Gilles OFC oil filler cap, M27 x 3.0
  • 4 anodised colour inserts
  • Tool for opening and closing
FitmentWhich bikes this fits▼
  • Yamaha R3 (2015–2026)
07 · Support

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08 · Paddock

Before you go.

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