For a few months I've been getting some pretty annoying vibrations in the handlebars when I'm on the highway between 110 and 130 km/h. It's not constant but it comes back regularly. I'm wondering if it's a wheel balancing issue or something more serious with the engine.
Handlebar vibrations in that speed range are usually wheel imbalance or uneven tire wear 🏍️ Before you worry about the engine, I'd suggest getting the wheel balance checked at a mechanic - it's cheap and fixes the issue most of the time. Otherwise it could also be a worn suspension or a fork that needs tightening, worth checking that too. If it keeps happening after all that, then yeah you need to look into the engine side.
Before blaming the wheels, first check if your tires have uneven wear or flat spots - that creates exactly this pattern of intermittent vibrations at certain speeds. But have you actually checked your tire pressure recently, is it right at the manufacturer's spec?
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