GBRacing Alternator Cover Protector for Yamaha YZF-R1 / R1M (RN32, RN49, RN65) 2015–2026
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GBRacing has built its reputation on covers that take punishment so your engine doesn't have to. The alternator cover protector for the Yamaha YZF-R1 and R1M — spanning every generation from the RN32 through to the RN65 — carries that same purposeful design language: clean lines that sit flush with the R1's aggressive bodywork while delivering the kind of impact resistance that transforms a slide into a minor inconvenience rather than a costly rebuild.
Key Features
- Constructed from 60% glass-fibre reinforced nylon — a compound chosen specifically for its balance of rigidity and energy absorption in a crash scenario.
- Bolt-on fitment with no adhesive required; the supplied mounting hardware means installation takes minutes, not hours.
- Profiled to match the contours of the YZF-R1 and R1M engine cases, ensuring a factory-flush appearance that doesn't compromise ground clearance.
- Dramatically reduces the risk of alternator cover damage in low-speed incidents, track offs, and tip-overs.
- Covers all three RN-generation R1 variants — RN32, RN49, and RN65 — so fitment is confirmed for every model year from 2015 to 2026.
Design, Finish and Heritage
GBRacing's engine case covers have become a fixture in the pit lanes of British Superbikes and club racing paddocks worldwide, and the aesthetic philosophy behind each piece is just as deliberate as the engineering. The alternator cover protector carries the brand's characteristic form: no superfluous styling, no oversized logos competing with your livery — just a component that looks as though it belongs on the R1 from the factory floor. The 60% glass-fibre nylon compound is moulded to a consistent wall thickness, giving the cover a solid, premium feel that cheaper aftermarket alternatives simply cannot replicate. Whether your R1 wears standard Yamaha colours or a full race wrap, this protector integrates without drawing the wrong kind of attention.
On Track, On Road
The YZF-R1's alternator cover is an exposed and vulnerable casting — a slide or a dropped bike in the garage can crack it instantly, leading to oil loss and a significant repair bill. Fitting a GBRacing protector is one of the most cost-effective insurance policies available for the R1 platform. On track days it pairs naturally with GBRacing's engine cover and water pump protectors to give the engine bay comprehensive protection. On the road, the bolt-on nature of the cover means it adds no maintenance complexity; it simply stays in place and does its job, season after season.
Fitment and Compatibility
- Yamaha YZF-R1 (RN32) 2015–2017
- Yamaha YZF-R1M (RN32) 2015–2017
- Yamaha YZF-R1 (RN49) 2018–2022
- Yamaha YZF-R1M (RN49) 2018–2022
- Yamaha YZF-R1 (RN65) 2023–2026
- Yamaha YZF-R1M (RN65) 2023–2026
Specifications
- Brand: GBRacing
- Part type: Alternator cover protector
- Material: 60% glass-fibre reinforced nylon
- Fitment method: Bolt-on (no adhesive required)
- Mounting hardware: Included
- Compatible chassis codes: RN32, RN49, RN65
- Compatible model years: 2015–2026
- Intended use: Road and track
| Brand | GBRacing |
|---|---|
| Part type | Alternator cover protector |
| Material | 60% glass-fibre reinforced nylon |
| Fitment method | Bolt-on, no adhesive required |
| Mounting hardware | Included |
| Compatible chassis codes | RN32, RN49, RN65 |
| Compatible model years | 2015–2026 |
| Intended use | Road and track |
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1x alternator cover protector
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Mounting bolts
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// GBRacing
GBRacing Alternator Cover Protector for Yamaha YZF-R1 / R1M (RN32, RN49, RN65) 2015–2026

Tech specs
- Brand
- GBRacing
- Part type
- Alternator cover protector
- Material
- 60% glass-fibre reinforced nylon
- Fitment method
- Bolt-on, no adhesive required
- Mounting hardware
- Included
- Compatible chassis codes
- RN32, RN49, RN65
- Compatible model years
- 2015–2026
- Intended use
- Road and track
- Worldwide shipping
- Genuine parts & verified quality
- 14-day returns — in stock ships within 24h
- Personal email support
// Support
Frequently asked questions
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