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SeahorseOffline
Post subject: Transmission on the Yanmar 4lha  PostPosted: Jan 12, 2018 - 04:39 PM



Joined: Aug 06, 2017
Posts: 12

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Can any of you guys with a Yanmar 4LHA tell me what gear you have? Or at least the gear ratio? I'm looking at a 4LHA with a ZF gear, 1.5:1 ratio.

Thanks
 
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KevinTOffline
Post subject: RE: Transmission on the Yanmar 4lha  PostPosted: Jan 18, 2018 - 11:37 PM



Joined: Mar 05, 2015
Posts: 10

Status: Offline
My 4LHA- STP has the ZF 63 A - 2.0 That, with a 20x20 prop at slowest idle does 4.5 knots. I sometimes have to go coast in neutral in tight harbors. Someday I'll have the prop taken down a bit...... The Yanmar is awesome !!
KT
BTW, I have the Open Fisherman model, which is lighter than a FB....

_________________
Kevin T
Miss Shannon
Woods Hole, MA
1987 Open Fisherman, now with a custom hardtop!
Hull #104
 
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captkcOffline
Post subject:   PostPosted: Jan 23, 2018 - 10:58 AM



Joined: Dec 14, 2016
Posts: 7

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Hi Kevin, I'm running a Yanmar 4lha with a ZF63A 2:1 ratio with an 18x20 prop. She tops out at 14kts @ 3000rpm comfortably she'll go more but I don't push it. Mine idles a bit high but not too bad. I have the Flybridge with a generator that adds a couple hundred more pounds.
 
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