Help thread: Suzuki DL650 V-Strom no codes except exhaust valve and bike still will not crank
I am trying to build a sane checklist for Suzuki DL650 V-Strom no codes except exhaust valve and bike still will not crank before I start buying parts I may not need. I can inspect wiring and physical fitment, but I want to avoid missing the simple stuff: bad earths, melted connectors, loose clamps, leaks, or cheap accessories causing noise.

Discussion
5 repliesFor Suzuki DL650 V-Strom no codes except exhaust valve and bike still will not crank, I would do a visual inspection first. Heat marks, loose grounds, cheap adapters, bad crimps and tired clamps explain a shocking number of problems.
Also check whether anything was changed recently. The last hands near the bike are often the first suspect, even when those hands are our own. That is how I would approach Suzuki DL650 V-Strom no codes except exhaust valve and bike still will not crank before spending money.
For Suzuki DL650 V-Strom no codes except exhaust valve and bike still will not crank, is there a measurement that proves the part is bad, or is it mostly elimination?
Thomas Spagnoli: workshop approach for Suzuki DL650 V-Strom no codes except exhaust valve and bike still will not crank
With Suzuki DL650 V-Strom no codes except exhaust valve and bike still will not crank, the useful question is not 'what part is famous for this?' but 'which system stopped doing its job, and under what condition?'
The mistake I see most often with Suzuki DL650 V-Strom no codes except exhaust valve and bike still will not crank is jumping to the part that sounds most famous. A good mechanic proves the system first: supply, command, output and mechanical condition.
For students, this is exactly why I built the free Motorcycle Mechanics Course on this platform. It teaches the method behind fuel, spark, compression, charging, diagnostics and safe workshop habits, so problems like Suzuki DL650 V-Strom no codes except exhaust valve and bike still will not crank become a sequence instead of a guess.
Add the model year, mileage, recent work and what changed before the problem started. With that, the next test becomes much easier to choose.
This helped a lot. I will make one change, ride it, then update the thread so the Suzuki DL650 V-Strom no codes except exhaust valve and bike still will not crank discussion has an actual ending. This should make the Suzuki DL650 V-Strom no codes except exhaust valve and bike still will not crank thread useful for the next person too.