Reply
 
Thread Tools Search this Thread
 
Old 26 January 2013, 15:39   #1
Member
 
Country: UK - England
Town: manchester
Length: 3m +
Join Date: Jan 2013
Posts: 9
New member need advice

First of all i would just like to say hello and the forum looks great. I've been using a 3.3m ali deck promarine with a 1961 10 hp evinrude sportwin . Anyway i've been after a new engine for a while with the other been so old and recently got a tohatsu 9.8 2 stroke and am now thinking about getting a seapro 3.4m ali deck which weighs 58kg .
Would this setup plane with me my mate and a bit of fishing gear we weigh about 28 st between us.

Thanks for any help
__________________
keith81 is offline   Reply With Quote
Old 26 January 2013, 19:34   #2
Member
 
thestig1973's Avatar
 
Country: UK - England
Town: warrington
Make: Honwave T32
Length: 3m +
Engine: Mercury 15 2 stroke
Join Date: Oct 2011
Posts: 523
3.4m, 58kgs and 9.8hp 2 stroke (lightweight) outboard

I imagine you'd plane easily

I used to have a 3.6m honwave with 9.9 2 stroke and that has been on the plane with 4 adults,
__________________
thestig1973 is offline   Reply With Quote
Old 27 January 2013, 00:38   #3
Member
 
Locozodiac's Avatar
 
Country: Other
Town: Lima-Peru
Boat name: Nautile
Make: Sea Rider 450 Rib
Length: 4m +
Engine: Tohatsu 5/18/30 HP
Join Date: Sep 2007
Posts: 1,998
Probably not, that sib is rated for at least a 9.9 or max 15 HP which are 250 cc engines. A 9.8 is only 170 CC. Invest well, test before buying if possible to be shure it will plane your combo...

Happy Boating
__________________
Locozodiac is offline   Reply With Quote
Old 27 January 2013, 09:21   #4
RIBnet admin team
 
Fenlander's Avatar
 
Country: UK - England
Town: Cambridgeshire
Boat name: Nimrod II
Make: Aerotec 380
Length: 3m +
Engine: Yam 15 Tohatsu 9.8
Join Date: Nov 2007
Posts: 8,881
Our experience with a Tohatsu 9.8 2-stroke was mostly on a 3.2m old (heavy) Zodiac with wooden floor. We ran it with two adults, dog and kit which would have made around 28st. It would always plane eventually but wouldn't hop up onto the plane in a couple of seconds as it would with a 15hp.

Swapping one of the adults for a child so dropping to 22st made it much more lively. Going up to 40st with two adults and two kids plus dog and kit meant ours was never going to plane.
__________________
Fenlander is offline   Reply With Quote
Old 27 January 2013, 10:48   #5
Member
 
Country: UK - England
Town: manchester
Length: 3m +
Join Date: Jan 2013
Posts: 9
Thanks for the help guys I may look into a 15 hp two stroke then but I'll give the tohatsu a try on my old boat first .I only give 600 quid for the tohatsu anyway so I should get my money back to put towards a bigger engine if I have to ship it on
__________________
keith81 is offline   Reply With Quote
Old 27 January 2013, 15:05   #6
Member
 
Locozodiac's Avatar
 
Country: Other
Town: Lima-Peru
Boat name: Nautile
Make: Sea Rider 450 Rib
Length: 4m +
Engine: Tohatsu 5/18/30 HP
Join Date: Sep 2007
Posts: 1,998
If you like Tohatsu 2 strokes, buy a new or second hand 9.9 D2 and convert it to a 15 D2 for peanuts. Or a 15 HP. D2 are the latest versions available.

Happy Boating
__________________
Locozodiac is offline   Reply With Quote
Old 27 January 2013, 15:41   #7
Member
 
Country: UK - England
Boat name: ShaarkBait
Make: Zodiac 3.6 FR
Length: 3m +
Engine: Mariner 9.9 4-stroke
Join Date: Nov 2012
Posts: 364
Europe is pretty much 4 stroke only for recreational use for that size new since iirc 2006. So its only 4 stroke models imported post to 2006 that are available now or s/h 2/4 stroke prior to that.

Equivalent engine now is 8/9.9hp 208cc twin 4-stroke that as far as i am aware can not be beefed up economically to 15hp as the 15/20hp 351cc is a much bigger engine approx double the weight of the old 9.9 2-stroke.

http://www.marineroutboards.co.uk/pd...chure%2011.pdf

So new 2 stroke has not been an option since beginning 2007.

Please someone correct me if i am wrong as it would be nice at some point for me to be able to up the power of my 9.9hp Mariner.
__________________
IanH is offline   Reply With Quote
Old 27 January 2013, 18:11   #8
Member
 
Locozodiac's Avatar
 
Country: Other
Town: Lima-Peru
Boat name: Nautile
Make: Sea Rider 450 Rib
Length: 4m +
Engine: Tohatsu 5/18/30 HP
Join Date: Sep 2007
Posts: 1,998
If yours is a 2 stroke Mariner 9.9 looking same as picture, surely it's a rebadged Tohatsu, Nissan, same model. If it has throttle rods instead of cable throttle system, you only need to buy the 15 HP cam and swap it + probably some + timing and carb adjustment depending on it's actual factory setting. Have the tech info if you need it.

Happy Boating
Attached Thumbnails
Click image for larger version

Name:	04.JPG
Views:	272
Size:	76.5 KB
ID:	76063  
__________________
Locozodiac is offline   Reply With Quote
Reply


Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off




All times are GMT. The time now is 00:19.


Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2024, vBulletin Solutions, Inc.