m/brixton-motorcycles u/Mason Reed 10 months ago

brixton 125 tuning with a clean baseline before parts

brixton 125 tuning forum question

I am opening a brixton 125 tuning thread because the bike feels honest but a bit lazy once the road opens.

I found this related page while comparing options: brixton 125 tuning. I would rather understand the proper checks before buying anything.

Before I touch electronics, should I check valves, chain, clutch, brake drag, air filter and plug condition?

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21 replies
u/Nora Ellis 10 months ago

Brixton 125 tuning starts with valves and intake leaks if the idle is not perfect.

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u/Fuel Sam 10 months ago

For brixton 125 tuning, note fuel use before the first change.

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u/Thomas Spagnoli 10 months ago

brixton 125 tuning workshop notes

Make the little Brixton healthy first

Thomas Spagnoli here. brixton 125 tuning should be handled like a workshop diagnosis, not like a shopping list. I would first make the bike or system prove what is wrong, then choose the part or setting that matches the proof.

For brixton 125 tuning, I would check valve clearance, air filter, plug color, intake leaks, chain slack, clutch free play, tire pressure and both brakes when hot.

Good brixton 125 tuning should make the same hill or roll-on cleaner without ruining idle, starting, fuel use or the relaxed character of the bike.

My order of work

  • Write down the exact symptom, speed, temperature and load.
  • Inspect the basic mechanical and electrical condition.
  • Fix faults before adding tuning parts.
  • Change one thing at a time and repeat the same road test.
  • Keep the final setup legal, reliable and easy to service.

The free motorcycle mechanics course on this platform explains this kind of diagnostic order in plain language. It is worth doing before spending money, because it teaches you how to test instead of guessing.

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u/Mason Reed OP 10 months ago

Chain was a little tight already, so I am glad I asked.

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u/Priya Lane 10 months ago

Brake drag hot is worth checking before brixton 125 tuning parts.

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u/Roadtest Nina 10 months ago

Same hill, same rider, same gear.

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u/Thomas Spagnoli 10 months ago

Brixton 125 tuning only means something after the baseline is fixed.

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u/Ben Carter 10 months ago

A tight chain is the cheapest anti-performance accessory.

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u/Mason Reed OP 10 months ago

I will do valves, chain and plug first.

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u/Fuel Sam 10 months ago

Brixton 125 tuning needs a full tank comparison after that.

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u/Nora Ellis 10 months ago

Also check the airbox seal before calling brixton 125 tuning finished.

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u/Thomas Spagnoli 10 months ago

Correct. Brixton 125 tuning should not hide a service fault.

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u/Roadtest Nina 10 months ago

Post before numbers first.

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u/Priya Lane 10 months ago

And rear brake temperature for the brixton 125 tuning notes.

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u/Mason Reed OP 10 months ago

Will do.

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u/Ben Carter 10 months ago

The bike may get faster by being less neglected.

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u/Fuel Sam 10 months ago

That is still brixton 125 tuning in my book.

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u/Thomas Spagnoli 10 months ago

Exactly. Brixton 125 tuning starts by removing losses.

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u/Roadtest Nina 10 months ago

Waiting for hill numbers.

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u/Nora Ellis 10 months ago

And plug photo.

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u/Mason Reed OP 10 months ago

I will update after the weekend.

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