Boating How-To’s - 25' custom Topaz
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fdheld34
07-18-2012, 07:29 AM
I just purchased a 25' Topaz for a rock bottom deal, with a transom extension for twin outboards (boat now 27').
Just wondering if a single 250 hp would be ok for this boat...or would it be underpowered?
Thanks so much for any help!
-Fred
dell30rb
07-18-2012, 07:56 AM
Love the boat. What is the deadrise and beam?
dell30rb
07-18-2012, 08:09 AM
My boat is 24' LOA cuddy cabin with an 8'6 beam and 19 degree dead rise. I have a 200 four stroke on a bracket and find it to be an excellent combination. With 3/4 tank (90 gallons), two guys and fishing gear it will do 24kts at 4000rpm getting 3nmpg.
Your boat looks relatively light and unless it has a very deep V I think a 250 would do fine.
In repowering my boat from a 225 yam two stroke to a 200 suzuki four stroke - the boat actually jumps out of the hole quicker with the four due to the extra torque. May have lost some on the top end - but I never run it WOT anyway and as you can tell from my cruise numbers I have nothing to complain about.
Hopefully you can find some other topaz owners that can talk from direct experience but that is my .02
fdheld34
07-18-2012, 09:07 AM
Good above info..thanks for the input...
Was thinking a 250 would work...but now might even go down to 225.
Thanks
oh deadrise is 18 degrees
weight 5500 lbs +-
-Fred
jebsurf
07-18-2012, 10:24 AM
250 etec would get my vote
jerseysportfisher
07-18-2012, 10:51 AM
wasn't this diesel dawgs boat ?
obbayer
07-18-2012, 11:07 AM
wasn't this diesel dawgs boat ?
I was thinking the same thing, can't be 2 like that.
Here we go. :grin:
fdheld34
07-18-2012, 11:37 AM
I was thinking the same thing, can't be 2 like that.
Here we go. :grin:
Yes it was diesel dawgs boat...I have to do stringer work and other etc..all of this was disclosed by him at time of sale.. also I followed post on this boats problems prior to boat being placed up for sale....but I bought boat knowing all of this before hand and know what I am getting into and very happy with the deal!!
Now back to the topic at hand.....any other input---is 225-250 underpowered for this boat?
Thanks
-Fred
Captain Crispy
07-18-2012, 06:53 PM
Put a 300 on it. You will thank me later.
tomanyboats
07-18-2012, 07:14 PM
pair of 150's
c_mccann
07-23-2012, 03:33 PM
Honda 250 or Suzi 300 and it'd scoot.... My 25 BW revenge is powered by a single Honda 225 and is a 23kt cruise and a 31 top end. Mine has a tower and glass as well.
slickcav
07-23-2012, 04:01 PM
put the new 300 on it
GR8WHITE
07-23-2012, 05:43 PM
twin 150s :thumbsup: