Westerbeke 5432/M40 fuel line size

[basssears]

Not anywhere close to my boat and trying to figure out what size outer diameter the injection lines are on a Universal 5432 / Westerbeke M40 (I believe they use the same lines for both V1501 block and V1502 block - mine is v1502).

Want to add a Tiny Tach and they has different size transducers available (6mm, 1/4", 7mm), don't know which to order.

If anyone has any idea I'd appreciate it.

Thanks!

-- Bass

[fallingeggs]

I can't help you as I have a W33 (and I'm not at the boat to check anyway), but aren't you annoyed at Tiny Tach's non-replaceable battery that lasts only five years? I want one, but don't want to be stuck spending $100 every few years for one. Maybe you have better details...


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[basssears]

Originally Posted by fallingeggs

I can't help you as I have a W33 (and I'm not at the boat to check anyway), but aren't you annoyed at Tiny Tach's non-replaceable battery that lasts only five years? I want one, but don't want to be stuck spending $100 every few years for one. Maybe you have better details...

Although $20/year doesn't sound too horrible, after wiring and mounting etc I would definitely find the 5 year (max) battery life a non starter or at least serious downside.

However, as best as I can tell (I don't have one yet), the Diesel Tiny Tach (and apparently only that one) uses flash memory and is wired to 12v power, hence no battery... item #4 on their FAQ page:
https://www.tinytach.com/faq.php
... and four bullets down on the diesel tiny tach overview page:
https://www.tinytach.com/diesel.php
... sure lead me to believe that's how this one is set up.

-- Bass