Tachometer for 503 with Bosch Ignition

by Gerald Morgan in 2 Stroke Technical Questions 10 years ago

Good evening,
Looking for some help finding a new tachometer for my 503 with Bosch contact breaker ignition system. Cannot locate the Rotax 966 071 recommended.

Also the previous owner stated the current Westach installed registered a much higher RPM than what was actual. Could it be it was hooked up wrong?

Any help would be greatly appreciated!

Jerry

Re: Tachometer for 503 with Bosch Ignition

by Dennis Richardson » 10 years ago

Dennis Richardson

1 153 176

I suggest a Tiny Tach, it is much simpler, more economical and quite accurate.
Dennis

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Re: Tachometer for 503 with Bosch Ignition

by Lawrence Miller » 9 years ago

Lawrence Miller

4 4 0

I concur the tiny tach that I have is easy to read and accurate, I did not hook it up, it came with an aerolite 103 with a 447 and I timed / tested cylinder pressure etc etc before taking the 447 off the mount, the tiny tach said the same as my $350 timimg tool ...

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Tachometer for 503 with Bosch Ignition

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