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Throttle Position Sensor brushes wear excessively, depositing abrasion particles and causing unstable idle, idle-stall, or loss of motive power
engine occasional Recall
ECU programming caused the TPS contact brushes to slide excessively. Wear particles produced unstable idle, idle-condition stalls, or partial loss of motive power; the engine warning light illuminates. Fix is free TPS replacement plus ECU reflash.
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Throttle grip tube can fracture at the guide
electrics rare Recall
The right-hand throttle grip tube can break at the guide, particularly when used as a handhold to lift a tipped-over motorcycle. A broken guide can restrict throttle return spring action, with potential loss of control. Fix is free replacement of the grip end (and the heated-grip warmer assembly if already broken).
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Improper ECU programming can cause engine stall or limited throttle response
engine occasional Recall
The factory ECU map can cause: (a) engine stall during downshifts if the clutch is not fully pulled, (b) stall at light throttle from idle, (c) limited throttle response under full deceleration, (d) failure of the engine warning light to illuminate on system error. Fix is a free dealer ECU reflash.
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Cruise control orange light flashes; cruise cannot be set or resumed
electrics occasional
The cruise control indicator flashes and the system refuses to set or resume. Cause traced in some cases to a sticky front-brake light switch or clutch-position switch (cruise interlocks) — sometimes resolved by an ignition cycle, sometimes requiring switch replacement; some owners report recurrence after dealer-replaced switches.
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Cam-chain tensioner rattle on cold start and warm-restart
engine occasional
An audible rattle/chatter from the hydraulic cam-chain tensioner area is reported on cold start and on warm restart after the bike has sat. Typically subsides once oil pressure builds. Cause is ascribed to the hydraulic tensioner relief valve / piston retraction without oil pressure. Inherent to the CP3 generation across MT-09 RN69, Tracer 9 GT, and XSR900. Aftermarket manual cam-chain tensioner (APE) is the commonly cited remedy.
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Vibration through handlebar and footpegs in the 3,800–5,000 rpm range
engine common
Owners report a buzz/numbness through the handlebar concentrated at approximately 3,800–5,000 rpm — a range that overlaps with 6th-gear highway cruising for many speeds. Smooths above approximately 5,000 rpm. Inherent to the long-stroke CP3 in this chassis.
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OEM pannier latches and lock cylinders — operational frustrations
bodywork occasional
The OEM 30 L panniers' lock mechanism cannot reliably rotate to a "lid-only-open" detent (forcing case removal to access contents), the top-box key sometimes operates the panniers (a security overlap), and dealers do not stock latch internals as separate parts.
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Front turn-signal mounting brackets work loose
bodywork occasional
The front indicator stalks loosen at the bracket mounting point; light contact (e.g., a brush in the garage) can detach them. Refastening securely is difficult.
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Poorly secured indicator brackets
bodywork occasional
The indicator mounts can loosen and flap over time, potentially leading to detachment. Some owners have reported them popping out with the slightest contact.
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Premature exhaust corrosion
exhaust common
The appearance of the downpipes deteriorates quickly, with rust forming after limited mileage and exposure to winter conditions, giving the bike a neglected look.