Beta Marine Engines

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...

andras · andras

Hello, In my boat I have BZ482 type engine installed which ran fine until recently. From one day to another when I turned the key I could only hear one click. I guess this click is the starter solenoid trying to make contact. What makes this problem for me hard to diagnose is that some times the engine ju...

BruceB · BruceB

I'm installing a pyrometer on my Beta 43 engine and would like to know the EGT at the dry side of the exhaust elbow. Thanks! Bruce

Topic		Started By	Replies	Views	Last Post
	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	713	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	633	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	931	Apr 27, 2020 by Stanley
	BZ482 starting problem bz482 problem starter solenoid (Preview) Hello, In my boat I have BZ482 type engine installed which ran fine until recently. From one day to another when I turned the key I could only hear one click. I guess this click is the starter solenoid trying to make contact. What makes this problem for me hard to diagnose is that some times the engine ju...	andras	1	1202	Apr 21, 2020 by Stanley
	Beta 43 Exhaust Gas Temperature (Preview) I'm installing a pyrometer on my Beta 43 engine and would like to know the EGT at the dry side of the exhaust elbow. Thanks! Bruce	BruceB	5	781	Apr 16, 2020 by NeilMcCubbin
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