m/general-motorcycle-qa u/Alex Garage 8740 1 year ago

Help thread: KTM Duke 690 no fuel no spark after bike sat for months

I have been reading about KTM Duke 690 no fuel no spark after bike sat for months and I am not sure which step should come first in a real workshop diagnosis. I am collecting practical advice from people who actually test things, not just repeat what they saw in a two-minute video.

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u/Mia Workshop 8740 1 year ago

For KTM Duke 690 no fuel no spark after bike sat for months, I would write down the current condition first. Model, year, mileage, recent work, and exact symptom will save ten posts of guessing.

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u/Ben Torque 8740 1 year ago

I learned this the boring way: do one test, write the result down, then move on. Five changes at once only tells you that one of five things mattered. That is how I would approach KTM Duke 690 no fuel no spark after bike sat for months before spending money.

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u/Sara Miles 8740 1 year ago

If the bike runs fine most of the time, would you still replace parts, or keep riding with a notebook and test plan?

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u/Thomas Spagnoli 1 year ago

Thomas Spagnoli: workshop approach for KTM Duke 690 no fuel no spark after bike sat for months

I would treat KTM Duke 690 no fuel no spark after bike sat for months as a diagnosis, not as a shopping list. The first job is to turn a vague complaint into a repeatable test.

  1. Start with model, year, mileage, engine type, recent work and the exact symptom.
  2. Separate opinion from measurement: voltage, pressure, compression, plug condition, code history and visual evidence.
  3. Make a small checklist and tick it off in order. It is slower for five minutes and faster for the whole repair.
  4. When in doubt, return the machine to a known baseline before tuning or modifying.

Do not let forum confidence replace measurement. If two possible causes fit KTM Duke 690 no fuel no spark after bike sat for months, choose the one you can test cleanly first.

If you are new to this, join the free Motorcycle Mechanics Course on the platform. I made it to explain the workshop logic behind cases like KTM Duke 690 no fuel no spark after bike sat for months, not just to list random parts.

Bring one result at a time and the forum can narrow it down properly. That is how a thread becomes a real workshop note.

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u/Alex Garage 8740 OP 1 year ago

Update: I am going to start with the measurements instead of ordering parts tonight. My wallet already looks relieved. I will post the exact result, even if the answer ends up being embarrassingly simple.

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