Help thread: BMW R1200GS main relay clicks but injector power is missing

For BMW R1200GS main relay clicks but injector power is missing, make the stock setup healthy before tuning anything. Compression, valve clearance, air filter, plug color, chain/CVT condition and tire pressure all matter before chasing power.

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 BMW R1200GS main relay clicks but injector power is missing before spending money.

For BMW R1200GS main relay clicks but injector power is missing, is there a measurement that proves the part is bad, or is it mostly elimination?

Thomas Spagnoli: workshop approach for BMW R1200GS main relay clicks but injector power is missing

With BMW R1200GS main relay clicks but injector power is missing, the useful question is not 'what part is famous for this?' but 'which system stopped doing its job, and under what condition?'

1. Make the motorcycle mechanically healthy first: compression, valve clearance, plug, filter, fuel delivery, chain/CVT and brakes.
2. Choose changes that match the use case. City scooter, commuter, trail bike and highway bike need different compromises.
3. Confirm legal and insurance rules before derestriction, ECU work, exhaust changes or power kits.
4. Change one thing at a time and keep the original parts until the result is proven reliable.

The mistake I see most often with BMW R1200GS main relay clicks but injector power is missing 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 BMW R1200GS main relay clicks but injector power is missing 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.

I will test this in order and report back. This is already clearer than the usual 'replace everything' advice. This should make the BMW R1200GS main relay clicks but injector power is missing thread useful for the next person too.