⟲ 360° — drag meThe facts.
| Model | JP ES 039 |
|---|---|
| Manufacturer | JetPrime |
| Material | CNC-milled Ergal 7075 |
| Fits | BMW F850GS (2018–2023) |
| Installation | Plug-and-play, no wiring harness modifications required |
| Fitment | BMW F850GS (2018–2023) / BMW F850GS Adventure (2018–2023) |
| Road approval | None — closed-circuit and race use only |
DescriptionThe whole story▼
The JP ES 039 satisfies the F850GS's sidestand input so the bike runs with the stand and switch removed.
Key Features
- BMW F850GS (2018–2023)
- Satisfies the sidestand input
- No warning on the instrument panel
- Plugs into BMW's own connector
- Nothing cut, nothing spliced
- Standard switch refits at any time
The Tank Went Back Where It Belongs
BMW moved the fuel from under the seat to a conventional position for this generation, which changed the handling completely and fixed the one criticism everybody had of the 800.
A Six and a Half Inch Display
Full colour with navigation and connectivity, on a middleweight adventure bike. It was well ahead of the class when it arrived and it has aged reasonably.
Ridden Off Tarmac
The 850 is the version with spoked wheels and real travel, so it goes places where a sidestand catches on rocks and a switch fills with mud.
Both Failures Look the Same
A packed switch and a removed one produce identical symptoms. Owners chasing an intermittent cut-out often end up removing the stand entirely anyway.
A Simple Interlock
Gear position and stand position are read together. If both say the wrong thing at once, the engine stops before the motorcycle moves.
Salt and Grit
Winter roads finish these switches. Corrosion inside the housing produces intermittent cutting out long before the switch fails outright.
What the Bike Does Next
Refuses to run with a gear selected. Nothing else on the preparation list can be tested until that is resolved.
Plugged Straight In
BMW's own connector, no adapters and nothing spliced. It takes about as long as finding the plug does.
Reversible
The standard switch refits with the stand whenever the motorcycle returns to the road, and nothing is consumed.
The Connector Itself
BMW uses a sealed plug at the stand bracket, and it is the seal rather than the switch that usually gives up first. Once water is inside, the contacts corrode quietly for a season before anything visible happens.
Fitment and Compatibility
- BMW F850GS (2018–2023)
Specifications
| Model | JP ES 039 |
|---|---|
| Manufacturer | JetPrime |
| Material | CNC-milled Ergal 7075 |
| Fits | BMW F850GS (2018–2023) |
| Installation | Plug-and-play, no wiring harness modifications required |
What's includedEverything in the box▼
- 1x eliminator
FitmentWhich bikes this fits▼
- BMW F850GS (2018–2023)
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Measure your head circumference about one centimetre above your eyebrows and compare it with the size chart on this page. Between sizes? Choose the smaller one — the padding beds in with use.
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Most of our touring and sport helmets are Pinlock-ready and many include the insert. Check the ‘What’s in the box’ section on this page for this model.
Yes — the cheek pads are channelled so the arms of your glasses slide in comfortably.
Take out the washable lining and hand-wash it in lukewarm water. Clean the shell and visor with a soft cloth and water only — never solvents.
Our team will personally help you choose the right gear or part — around 24h for a reply.