
The facts.
| Brand | Hesterberg-Cad/Cam |
|---|---|
| Product type | Chain impact guard / chain guard |
| Weight | approx. 0.175 kg |
| Material | Aluminium 7075-T6 |
| Colours | Natural or anodised black |
| Note | Splash protection cover no longer compatible after fitting |
| Function | Protects the engine casing in the event of chain failure |
DescriptionThe whole story▼
When a chain snaps at speed, the consequences for an unprotected engine casing can be catastrophic. The Hesterberg-Cad/Cam chain impact guard for the Yamaha R6 is a precision-machined aluminium replacement for the factory plastic part, engineered to sit perfectly in the drivetrain area and absorb or deflect the energy of a broken chain before it reaches the engine casing — giving you genuine peace of mind on track and road alike.
Key Features
- Precision fitment for Yamaha R6 chassis codes RJ11, RJ15 and RJ27, covering model years 2006 to 2026
- Machined from aerospace-grade aluminium 7075-T6 for a strength-to-weight ratio that outclasses the stock plastic component
- Protects the engine casing from impact damage in the event of chain failure — a low-cost safeguard against a very expensive repair
- Direct OEM replacement: bolts into the original mounting points with no modification required
- Available in natural aluminium or anodised black to match your build aesthetic
- Ideal for trackday preparation, club racing and performance-focused street builds
A Sensible Upgrade Over the Factory Plastic Part
The original plastic chain guard fitted to the Yamaha R6 is a cost-effective production solution — adequate for standard road use but not engineered with worst-case failure scenarios in mind. Riders who push their R6 at track days or prepare the bike for circuit use understand that protecting the drivetrain area properly is part of a thorough build. Hesterberg-Cad/Cam have addressed this with a component that replaces like-for-like in mounting but is built to an altogether higher standard.
At approximately 0.175 kg, the guard adds negligible weight while delivering substantially greater resistance to chain-strike loads. The 7075-T6 alloy is the same specification used in high-stress aerospace and motorsport applications — chosen here because it combines genuine toughness with the light weight that a performance-focused R6 owner expects from every component on the bike.
Protection Where It Counts
A snapped chain carries enormous energy and follows an unpredictable path in the split second before tension is lost. The chain impact guard intercepts that path between the front sprocket, chain run and engine casing — the area of the R6 most vulnerable to strike damage. Replacing the plastic OEM part with this aluminium guard is one of the quieter but genuinely meaningful steps in preparing an R6 for sustained hard use, whether that means regular track sessions or spirited road riding where drivetrain loads are consistently high.
Fitment & Compatibility
This chain impact guard is developed specifically for the following Yamaha R6 variants:
- Yamaha R6 RJ11 — 2006 to 2007
- Yamaha R6 RJ15 — 2008 to 2016
- Yamaha R6 RJ27 — 2017 to 2026
Please note: after fitting this guard, the original splash protection cover is no longer compatible and cannot be reinstalled. Before installation, check whether any additional add-on parts — such as aftermarket chain guards or sprocket covers — are fitted in the same area, as these may also be affected.
Specifications
| Attribute | Detail |
|---|---|
| Brand | Hesterberg-Cad/Cam |
| Product type | Chain impact guard / chain guard |
| Weight | approx. 0.175 kg |
| Material | Aluminium 7075-T6 |
| Colours | Natural or anodised black |
| Note | Splash protection cover no longer compatible after fitting |
| Function | Protects the engine casing in the event of chain failure |
What's includedEverything in the box▼
- 1x Chain impact guard
FitmentWhich bikes this fits▼
- Yamaha R6 RJ11, RJ15 & RJ27 (2006–2026)
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