Accossato hydraulic clutch conversion kit HS053 for KTM 790 ADVENTURE, view 1
02 · Data & docs

The facts.

Technical data
Part numberHS053
TypeHydraulic clutch conversion kit
Pump piston13.5 mm
ActuatorAT002-64-73
FluidDOT 4 only
FitmentKTM 790 Adventure (2019-2020)
Road approvalNo ABE documented; check local rules
DescriptionThe whole story▼

KTM's 790 ADVENTURE takes the HS053 kit from Accossato, which replaces the factory clutch cable with a 13.5 mm piston pump, a clutch hose and the AT002-64-73 actuator. Built in Italy and pitched as lightweight and straightforward to fit, the kit is aimed at cutting the effort the clutch lever demands. Accossato recommends fitting through a qualified workshop, with the system then filled, bled and its operation checked; only DOT 4 fluid is specified.

Key Features

  • Converts the cable-operated clutch to hydraulic operation
  • Clutch pump with a 13.5 mm piston
  • Clutch hose included
  • AT002-64-73 actuator specific to this application
  • Lightweight, made in Italy
  • Said by Accossato to reduce lever effort and need little maintenance
  • DOT 4 fluid only

Construction and Material Quality

Accossato replaces the 790 ADVENTURE's factory cable with a clutch pump machined to a 13.5 mm piston, routed through a dedicated hose to the AT002-64-73 actuator at the gearbox. The kit is built in Italy and kept light, designed to fit in place of the cable mechanism without adding complexity to the clutch assembly. Accossato describes the system's upkeep as minimal once bled and running, with DOT 4 the only fluid it specifies.

Standing Control on Rally-Style Terrain

The 790 ADVENTURE is built with off-road and rally-style riding in mind, where a rider standing on the pegs over rough or loose ground relies on quick, precise inputs at the clutch lever to manage traction rather than sitting and feeding it in gradually as on a sealed road. A hydraulic system responds directly to that input without the slight lag a cable can develop as it ages, which matters in exactly this kind of riding where split-second clutch control over changing terrain makes more difference than it would on a bike kept to tarmac. Accossato's stated reduction in lever effort applies on the road too, but it is this off-road use that asks the most of the clutch hand.

Fitment and Compatibility

Accossato confirms the KTM 790 ADVENTURE (2019–2020) for this kit, with exact years in the Fitment tab on this page. The same clutch pump, hose and AT002-64-73 actuator are shared with the naked KTM 790 DUKE and a wider group of BMW, Honda, Suzuki and Yamaha models, each sold as its own listing with the identical parts inside.

Road Approval

There is no ABE or parts certificate documented by Accossato for the HS053; registration rules depend on the country, so check before road use.

Scope of Delivery

1x Accossato hydraulic clutch conversion kit: clutch pump (13.5 mm piston), clutch hose, AT002-64-73 actuator.

Specifications

  • Part number: HS053
  • Type: Hydraulic clutch conversion kit
  • Pump piston: 13.5 mm
  • Actuator: AT002-64-73
  • Fluid: DOT 4 only
  • Fitment: KTM 790 Adventure (2019-2020)
  • Road approval: No ABE documented; check local rules
What's includedEverything in the box▼
  • 1x Accossato hydraulic clutch conversion kit
FitmentWhich bikes this fits▼
  • KTM 790 ADVENTURE (2019–2020)
  • BMW F800GS (2010–2018)
  • Honda NC750S (2015–2018)
  • Honda NC750X (2015–2018)
  • KTM 790 DUKE (2018–2020)
  • Suzuki GSX-S1000 (2015–2021)
  • Suzuki GSX-S1000F (2015–2021)
  • Yamaha MT-07 (2014–2020)
  • Yamaha MT-09 (2013–2020)
  • Yamaha SR400 (2014–2016)
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