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Messages - Manuel Dupe

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Downtown 300 / Re: DT 300 - fail to start - TPS voltage value at 0 position ?
« on: June 06, 2026, 03:53:52 PM »
Hello Ruffus,

Thank you very much for your reply. Your contribution was crucial in identifying the cause of the problem.

I have ordered the starter motor from the online store UbricarMotos, a supplier I regularly use for parts and maintenance items for my scooter.

I ordered the Kymco Xciting 400 Tecnium MT159-OT187 starter motor for €52.00.

I will let you know the results once I have replaced it. I also plan to disassemble the faulty starter motor and will share the results of the teardown to see exactly what caused the failure.

Thanks again.

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Downtown 300 / Re: DT 300 - fail to start - TPS voltage value at 0 position ?
« on: June 06, 2026, 06:25:14 AM »
Hello Henry,

Thank you very much for your investigation. I was ready to buy the diagnostic tool to perform the tests you documented in this thread.

In the end, I came to the same conclusion: my starter motor does not work properly once it gets hot. I live in the south of Spain, and especially during the summer, the problem becomes much more noticeable.

Without hesitation, I have ordered a new starter motor to replace the current one.

I know this is an old thread, but I didn't want to miss the opportunity to thank you for all the work you put into it.

My scooter is a Xciting S 400.

Thank you.

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