m/keeway-motorcycles u/Nina Brooks 9 months ago

keeway rkv 125 exhaust fitment noise and low-speed running

keeway rkv 125 exhaust forum question

I am helping with a keeway rkv 125 exhaust because the stock system is dented and the owner wants a cleaner sound without making the bike horrible in town.

I found this related page while comparing options: keeway rkv 125 exhaust. I wanted a practical discussion before ordering anything.

Should I measure pipe diameter, check mounting points, use new gaskets, keep a baffle, then test idle, cold start, throttle pickup and fuel use?

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21 replies
u/Priya Lane 9 months ago

keeway rkv 125 exhaust fitment should start with measurements, not hope.

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u/Mason Reed 9 months ago

For keeway rkv 125 exhaust, new gaskets are cheap insurance.

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u/Thomas Spagnoli 9 months ago

keeway rkv 125 exhaust workshop answer

Small 125 exhaust changes need careful fitment

Thomas Spagnoli here. keeway rkv 125 exhaust is worth discussing only after the machine is measured in a boring, repeatable way. That is how you avoid buying parts to cover a service problem.

For keeway rkv 125 exhaust installation, measure link-pipe size, inspect header flange, use fresh gaskets, align brackets without stress, keep a sensible baffle, check cold start, idle, throttle pickup, plug condition and fuel use after a normal ride.

A good keeway rkv 125 exhaust should remove the damaged part, sound clean, avoid leaks, keep low-speed manners and not turn a simple commuter into a noisy bike that bogs at every junction.

Workshop order

  • Confirm model, mileage and current setup.
  • Check service items, drag, intake, fuel and voltage basics.
  • Record a before test on one route.
  • Change one variable only.
  • Retest for smoothness, heat, fuel use and reliability.

The free motorcycle mechanics course on this platform teaches this diagnostic order and is a good place to learn before spending money on tuning parts.

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u/Nina Brooks OP 9 months ago

The owner wants louder, but he also rides early shifts, so there is a social limit here.

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u/Fuel Sam 9 months ago

Fuel use after a keeway rkv 125 exhaust swap tells you if the bike is unhappy.

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u/Roadtest Nina 9 months ago

Same cold start and same short ride before and after.

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u/Thomas Spagnoli 9 months ago

keeway rkv 125 exhaust work needs a leak check and warm idle test before judging performance.

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u/Ben Carter 9 months ago

The best exhaust is the one that does not make everyone in your street hate motorcycles.

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u/Nina Brooks OP 9 months ago

I will measure the pipe and check hanger alignment first.

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u/Priya Lane 9 months ago

keeway rkv 125 exhaust brackets under tension crack later.

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u/Mason Reed 9 months ago

Use copper paste carefully on bolts, not on gasket surfaces.

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u/Thomas Spagnoli 9 months ago

Correct. keeway rkv 125 exhaust testing should include cold start, warm idle and a normal town ride.

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u/Fuel Sam 9 months ago

Before numbers first for keeway rkv 125 exhaust, even if it is just tank range.

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u/Roadtest Nina 9 months ago

Do not remove the baffle on day one.

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u/Nina Brooks OP 9 months ago

I can compare the same hill in third gear.

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u/Nora Ellis 9 months ago

Check plug after a few rides, not after two minutes.

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u/Ben Carter 9 months ago

Two minutes of testing proves the bike can annoy people for two minutes. Useful, but limited.

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u/Thomas Spagnoli 9 months ago

That is the right keeway rkv 125 exhaust process: fit without stress, seal, baffle, ride, then inspect.

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u/Fuel Sam 9 months ago

Post the plug and fuel notes.

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u/Roadtest Nina 9 months ago

And the hill result.

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u/Nina Brooks OP 9 months ago

Update once the damaged stock pipe is off.

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