Is a new F130 Yamaha enough for a 6m Fraser?
Submitted by fishboy009 on Fri, 2015-09-25 17:03
Hi Guys and Gals
I'm thinking of putting a new Yamaha on a 6m fraser, i've got some competitive quotes from the local dealers but one was saying the 130 wouldn't be big enough!!! I was thinking this was just some dodgy salesman tecniques to try and sell a bigger engine and get more money in his pocket, currently I have a 150 V6 mercury saltwater on the back which pushes it along no probs what so ever. (will be up for sale if anyones interested)
So the question is going out to someone who owns a similar setup or just knows their shit, cos once the new engines bolted on the back there is no turning back.
of course i'd like more HP but we all have our limits.
Any feedback would be much appreciated.
Many Thanks
James
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J Ecclestone
crano
Posts: 702
Date Joined: 04/11/09
New motor
How much is the upgrade to a 150hp
fishboy009
Posts: 42
Date Joined: 22/11/10
About another $2500. I know
About another $2500.
I know it would be better but i'm still trying to justify the $17000 for the 130
J Ecclestone
tot
Posts: 1159
Date Joined: 31/01/10
.
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Reverse cycle a/c supply and install - Ducted and wall splits
fishboy009
Posts: 42
Date Joined: 22/11/10
Did you forget to type
Did you forget to type something? maybe too many friday beers
J Ecclestone
squidvicious1
Posts: 824
Date Joined: 22/07/10
You have to weight up the
You have to weight up the options,weight verses HP.plus Yamaha have extended the fitup option,free.i would love a new 130
on a new boat but can only dream,will have to stick with the 80 yammy.
props maketh the motor,if you not a speed demon cruising at 20kts and top end of say about alittle of 30.the new rang of props going with that motor have a rubber damping system in a rang of sizes ,or revert to a solas for a more aggressive pitch for getting onto the plane and top end.
i think it is a good choice good luck with whatever purchase you get.
fishboy009
Posts: 42
Date Joined: 22/11/10
Not too fused about being a
Not too fused about being a hoon, but then again I don't want some fitness freak overtaking me on his ski.
Reason for the upgrade to a 4 stroke is to get more range, I can comfortably get to Rotto and back on what i've got but was thinking FAD's this summer and didn't want to fill the boat with cans.
Thanks for your input!!!!
J Ecclestone
Rob H
Posts: 5797
Date Joined: 18/01/12
check out the Merc 150,
check out the Merc 150, seems to be a good motor
Give a man a mask, and he'll show you his true face...
The older you get the more you realize that no one has a f++king clue what they're doing.
Everyone's just winging it.
Stevo81
Posts: 1278
Date Joined: 16/04/12
Yep, the non Verado Mercury
Yep, the non Verado Mercury 4-stroke has some very good feedback on The Hull Truth.
I always thought when going from 2-stroke to 4-stroke you normally go up a notch in hp on the 4-stroke for similar performance. You would also be going from v6 to 4 cylinder. You might notice the difference when loaded up.
•••••••• Electrical Contractor NOR ••••••••
fishboy009
Posts: 42
Date Joined: 22/11/10
I agree the Merc has been
I agree the Merc has been good but I like change, done some research and the Yamaha has come out the best in my eyes and once I've got my heart set on something it's hard to change my mind.
J Ecclestone
streaker boy
Posts: 527
Date Joined: 23/05/09
Get the biggest motor the
Get the biggest motor the boat is rated to and within the weight limit otherwise u wont be covered by insurance
getting the bigget for it u wont regret it in the long run and it will prob save on fuel unless running it at wot
fishboy009
Posts: 42
Date Joined: 22/11/10
yeah thats fine to say when
Yeah thats fine to say when moneys no object, don't suppose you've got me a job that can earn me a cool and quick 20k?????
J Ecclestone
fishboy009
Posts: 42
Date Joined: 22/11/10
Haha just remembered its a
Haha just remembered its a 140 v6 not a 150
don't even know what i've got
J Ecclestone
oz74
Posts: 276
Date Joined: 14/05/12
130 a little too small?
will be a little underdone in my opinion.
old man has a 626 Avanti, basically the same hull as the Fraser, and he has a 140 4st Johnson on the back.
it does get along alright but Max's out at 30kts and about 5500rpm - Wah is prob running a little hard for my liking.
could prob get a little better performance by playing around with props but and extra 10-20hp would make a big difference.
fishboy009
Posts: 42
Date Joined: 22/11/10
I hear ya, on a good day I'm
I hear ya, on a good day I'm getting close to 40kts with what I've got and would like to get close to that with the new one.
thanks for the feedback, much appreciated..
J Ecclestone
Rob H
Posts: 5797
Date Joined: 18/01/12
Your dads boat is over
Your dads boat is over propped if that is with anything less than max load.
Give a man a mask, and he'll show you his true face...
The older you get the more you realize that no one has a f++king clue what they're doing.
Everyone's just winging it.
JohnF
Posts: 2836
Date Joined: 07/07/10
You will hate going from a
You will hate going from a torquey 150 2 strike to a doughy 130 4 stroke. At least go the same hp or you will be kicking yourself.
Better to leave the 150 saltwater on it for another season until you can afford a 150 or 175 hp 4 stroke.
Boston Whaler 235 Conquest......getting the flogging it was built for.
fishboy009
Posts: 42
Date Joined: 22/11/10
I think you're right.It's
I think you're right.
It's not time to retire and down size, will kep saving..
Cheers mate
J Ecclestone
WestOz
Posts: 45
Date Joined: 10/08/15
Always go for the maximum hp
Always go for the maximum hp the hull is rated for.
ranmar850
Posts: 2702
Date Joined: 12/08/12
Always???
Don't know about that. My old Dommie is rated for 200HP--it would be f**ng terrifying
115 hp gives it 34 knots @ 5800-6000 and 20 knots (at sea)@ 4000 rpm. But I guess I never have calm lakes and waterways to traverse for far.
fishboy009
Posts: 42
Date Joined: 22/11/10
I'm with you on that last
I'm with you on that last comment.
J Ecclestone
Rob H
Posts: 5797
Date Joined: 18/01/12
Always?My old 5.8 trailcraft
Always?
My old 5.8 trailcraft did 34kts with a F115 and was rated to 200hp
A traily at 50 knots-scary
Give a man a mask, and he'll show you his true face...
The older you get the more you realize that no one has a f++king clue what they're doing.
Everyone's just winging it.
wolfo
Posts: 3
Date Joined: 12/12/11
Not only HP but getting Prop right....
It is not only about the HP, you want to get your Prop right as well.
When I fitted my new Suzi 115HP to my 585 Fraser, I went through like 5 props just trying the get the specification Suzuki recommended (WOT @ 5500 RPM).
With the factory fitted and recommended prop, I got like 28 knots and 6k+ RPM (WOT), now with the prop adjusted to the Hull I get around 35 knots @ 5400 RPM (WOT).
Still biting me back that I didn't opt for the 4 blade prop, I reckon that would have been the perfect match !
just dhu it
Posts: 1081
Date Joined: 14/05/09
2 stroke to 4
as the others have said a change from 2 stroke to four stroke you will notice the difference in power and speed , I had a 6.10 trailly with 150 Optimal which was great. Then changed over to a yammy 150. 4 stroke and found a big reduction in pick up , the yammy did all right around 20 to 24 knots in reasonable conditions but after that the motor started drinking the fuel , four stroke s are the same as your car engine they don't like high revs and being pushed outside the power band area .
if you thinking of dropping down to a 130 , I would definitely wait until the 150 is affordable iMO
ranmar850
Posts: 2702
Date Joined: 12/08/12
Not necessarily
On a 5.6 m Swiftcraft Dominator , I went from twin 60hp 2 strokes in excellent condition to an F115 Yamaha. I lost absolutely no top speed whatsoever, and pick up is so close you couldn't really call it. The 4 s may actually be quicker off the mark, but, as i said, too close to call. And the fuel, of course, went down remarkably. Yes, I am doing more RPM to get 20 knots at sea, but the motor itself is higher revving, (6000rpm vs 5200rpm)so you would expect that. (4000rpm cruise vs 3400 rpm for 20 kts)
For every experience there is an exception, don't say"always".
streaker boy
Posts: 527
Date Joined: 23/05/09
Or u can get ur boat re
Or u can get ur boat re rated so u can get more hp and weight
im getting mine done on monday
Cruise Control
Posts: 973
Date Joined: 03/11/10
Really !? I would like to
Really !? I would like to know how you are doing that as my attempt to do this through the builder resulted in abject failure !
streaker boy
Posts: 527
Date Joined: 23/05/09
I had same prob boat builder
I had same prob boat builder didnt wanna help me out doin it so found someone else
its a pretty easy process as long as ur boat is factoy built and not custom as he doesnt need to even see the boat