Beta Marine Engines

Blue Moon · Blue Moon

Thank you, Stan, for the coaching on removing my coupling and transmission from my Beta 38 as the least painful way to bring my prop shaft in enough to remove my problem cutlass bearing. Today I got the stage set, arranging access, supports, tools, and so on and so will attack the thing in the coming days...

firefly2014 · firefly2014

Drains fuel thru an open-ended clear flexible tube which runs from the right side of the engine (looking from the front) to below the sump that then drains into the bilge. What is this drain? I had a problem with engine quitting and found gallons of fuel in the bilge. Clogged fuel filter?? All the fuel le...

Jane-O · Jane-O

I started my engine at the boat yard prior to changing the oil and filters and then again after the change. I didn't notice the tachometer performance while the engine was running. However, I noticed that the needle is now pointing to ~400 with the engine off. Is there a solution?

Blue Moon · Blue Moon

I need to replace the prop shaft on my sailboat with fairly recent Beta 38 (WOC K35616). With the chance to change things, how can I best determine the proper propeller shaft diameter to choose? While the engine is rated for 38 HP at 3600 RPM, what peak torque could be expected at the transmission output...

LB-PDX · LB-PDX

I have a sweet-running Betamarina 25 installed in mid 2018. Only about 50 hours on it so far. is there a recommended number of hours (or years) when he raw water pump impeller should be replaced? (On my former diesel I would replace the rubber impeller every other year, just as a precaution. I never had...

Topic		Started By	Replies	Views	Last Post
	Bolt Sizing on Transmission Mount Plate and R&D Coupling (Preview) Thank you, Stan, for the coaching on removing my coupling and transmission from my Beta 38 as the least painful way to bring my prop shaft in enough to remove my problem cutlass bearing. Today I got the stage set, arranging access, supports, tools, and so on and so will attack the thing in the coming days...	Blue Moon	1	733	May 16, 2020 by Blue Moon
	My Beta 25 is draining fuel (Preview) Drains fuel thru an open-ended clear flexible tube which runs from the right side of the engine (looking from the front) to below the sump that then drains into the bilge. What is this drain? I had a problem with engine quitting and found gallons of fuel in the bilge. Clogged fuel filter?? All the fuel le...	firefly2014	4	461	May 14, 2020 by firefly2014
	Tachometer stays at 400 RPM with engine off (Preview) I started my engine at the boat yard prior to changing the oil and filters and then again after the change. I didn't notice the tachometer performance while the engine was running. However, I noticed that the needle is now pointing to ~400 with the engine off. Is there a solution?	Jane-O	1	480	May 14, 2020 by Stanley
	Prepeller shaft sizing (Preview) I need to replace the prop shaft on my sailboat with fairly recent Beta 38 (WOC K35616). With the chance to change things, how can I best determine the proper propeller shaft diameter to choose? While the engine is rated for 38 HP at 3600 RPM, what peak torque could be expected at the transmission output...	Blue Moon	1	441	May 13, 2020 by Farron
	Raw Water Impeller Life? (Preview) I have a sweet-running Betamarina 25 installed in mid 2018. Only about 50 hours on it so far. is there a recommended number of hours (or years) when he raw water pump impeller should be replaced? (On my former diesel I would replace the rubber impeller every other year, just as a precaution. I never had...	LB-PDX	1	640	Apr 27, 2020 by Stanley
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