Rotax 503 Manufacture Date

by Dan Davis in 2 Stroke Technical Questions 7 years ago

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Re: Rotax 503 Manufacture Date

by Chad Lee » 7 years ago

Chad Lee

1 2 0

Thank you for looking that up for me

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Re: Rotax 503 Manufacture Date

by Daryl Kings » 7 years ago

Daryl Kings

0 1 0

Could you tell me what is known for a 503 with serial number M5441467?
Thanks!

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Re: Rotax 503 Manufacture Date

by RotaxOwner Admin » 7 years ago

RotaxOwner Admin

59 1.6k 16.6k

5441467 was produced 02-Oct-2001

Engine Type: ROTAX 503 UL FAN
Model Number: 305030010

Thank you said by: Daryl Kings

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Re: Rotax 503 Manufacture Date

by timmy roussel » 7 years ago

timmy roussel

1 2 0

Hi I have a rotax 503 the serial number is 3715796 can u tell me year model and other info. I'm trying to upgrade to cdi from points and I am having problems

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Re: Rotax 503 Manufacture Date

by RotaxOwner Admin » 7 years ago

RotaxOwner Admin

59 1.6k 16.6k

The factory database indicates that 3715796 was produced 17-Sept-1987.
But there is no additional info about the model number or build options.

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