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cajunyoung · #1 02-17-2015, 06:58 AM

Anyone have or had a 40 TLDI? How is the performance? Can it be hopped to a 50? Are there any year models beter than others to look for? Might be replacing my 25-3cyl Yammie. Thought about looking for a used 2 cycle, not sure if i want to go to 4 cycle yet. Thanks for any info help.

PaulMyers · #2 02-17-2015, 07:39 AM

Just what the Dr ordered in the classified section.

Boats, Outboard Motors, Kayaks, Etc: FOR SALE: 2011 Tohatsu 40TLDI - SaltyCajun.com

Great motors! Close to bullet proof! Been running one for a couple of years now. I'm sure this one has already had the restrictor plate removed so it will be very close to a 50 already.

Give Kyle a call

H2OFwlKlr · #3 02-17-2015, 07:42 AM

Wow that was quick, one was just posted in the classifieds!!!!!!!!

PaulMyers · #4 02-17-2015, 07:49 AM

Yep, Here's the one that just posted a few minutes ago.

Boats, Outboard Motors, Kayaks, Etc: FOR SALE: 05' 40 Hp Tohatsu - SaltyCajun.com

Thanks for the heads up H2OFwlKlr

bayoublack · #5 02-17-2015, 08:28 AM

I got a 2006 40tldi on a 1652 alweld 13 pitch prop no jackplate or trim tabs and i do 33mph. Love that motor great on gas and still have 2 stroke power for the most part. The only horsepower upgrade you can do from what ive been told its pop out the restricter plate in the air intake. I did and only gained about 1-1.5 mph.

CajunChristian · #6 02-17-2015, 12:02 PM

Bayou, that's about right. We figure 5hp=1mph gain on must fishing and hunting rigs.

Cajun: Have you considered a tohatsu 40/50 hp 4 stroke. This is a test run last week. 1548 Ambush, 40/50 Tohatsu 4 stroke, 18 pitch Turbo Hot Shot prop, 50.4 mph. Has a great hole shot. I can find nothing to dislike about this engine. I have run one since last fall, love it. Quiet, sips fuel, great holeshot, great top end, not your typical 4 stroke. FIVE (%) year warranty on these engines.
https://www.youtube.com/watch?v=zrqz...ature=youtu.be
Danny

latex · #7 02-17-2015, 08:41 PM

Lil bubba if you ever get a chance to run this motor do it. Its a beast! I have one and love it I run a 1652 alweld marsh special with the 40 4 stroke. I ran with all my fishing stuff,ice chest batteries every thing for a day on the water and hit 39 @ 5860 r.p.m. Went the next day with me and my son ran 37 mph. Its fun watch CajunChristian work his magic on the videos that he posts.

BassYakR · #8 02-18-2015, 01:38 PM

You will probably see upper 30s Cajunyoung... maybe 40.... is it the squared off tunnel?

cajunyoung · #9 02-18-2015, 01:59 PM

Quote:

Originally Posted by BassYakR

You will probably see upper 30s Cajunyoung... maybe 40.... is it the squared off tunnel?

mine has the squared off tunnel with the overhanging flared backset transom....make sense? it looks like the transom was moved back from the "normal straight across" position with angular sides to make it act like a built in jackplate....sets back about 10" or so if I recall correctly.

marshrunner757 · #10 02-18-2015, 02:13 PM

I had a 93 with the flat transom. From talking with others, the flat transom performed better than the setback transom.

BassYakR · #11 02-18-2015, 02:35 PM

Cajunyoung we have the same boat then! they are not known for speed at all! but they are very stable and get pretty shallow... Id say you will run in the upper 30s with with a new 40 4stroke... just a guess of course... The flat transom marshrunners were def a faster boat.

CajunChristian · #12 02-18-2015, 05:47 PM

Those marshrunners are heavy boats. If I had to guess, mid 30's. Anything more than that is a bonus. You may wind up turning a 14 pitch prop. That motor with a 14 will get on plane in about 10' distance and hit the rev limiter within 50 yards. You could go to a 15, hole shot will suffer. You may need to do like most of us do, have a river prop and a marsh prop. These units have a 2.08 gear ratio, that usually means that they turn 1" pitch higher than the old 40's and 50's we used to run, they had a 1.93 or 1.95 ratio.
D

cajunyoung · #13 02-18-2015, 08:13 PM

[QUOTE=CajunChristian;741003]Those marshrunners are heavy boats. If I had to guess, mid 30's. Anything more than that is a bonus. You may wind up turning a 14 pitch prop. That motor with a 14 will get on plane in about 10' distance and hit the rev limiter within 50 yards. You could go to a 15, hole shot will suffer. You may need to do like most of us do, have a river prop and a marsh prop. These units have a 2.08 gear ratio, that usually means that they turn 1" pitch higher than the old 40's and 50's we used to run, they had a 1.93 or 1.95 ratio.
D[/QUOTE

When the boat was running before, i had clocked it on my handheld gps at 32 - 33mph rigged for fishing with just me in it on the Calcasieu above Moss Bluff bay. I like my 25 Yammie, and it does okay for a heavy boat, but it always seemed just a little bit short out of the hole. Thank you and everyone else for the advice, i appreciate the opinions.

homerun · #14 02-18-2015, 10:59 PM

Another difference to note is the 4 stoke water pump is stronger than the tdli. i have a tdli and love the heck out of it. However in the shallow stuff or grass alarm goes off too easy and engine starts to cut out as a precaution. Cajun Christian has stated the water pump on the 4 strokes is superior by far compared to the tdli.

cajunyoung · #15 02-19-2015, 07:06 AM

Quote:

Originally Posted by homerun

Another difference to note is the 4 stoke water pump is stronger than the tdli. i have a tdli and love the heck out of it. However in the shallow stuff or grass alarm goes off too easy and engine starts to cut out as a precaution. Cajun Christian has stated the water pump on the 4 strokes is superior by far compared to the tdli.

Thanks, that is definitely a big concern because of fishing in the marshes so much.

cajunyoung · #16 02-18-2015, 08:05 PM

Quote:

Originally Posted by BassYakR

Cajunyoung we have the same boat then! they are not known for speed at all! but they are very stable and get pretty shallow... Id say you will run in the upper 30s with with a new 40 4stroke... just a guess of course... The flat transom marshrunners were def a faster boat.

I always thought that it seemed a little slower than it should be but i have been very happy with it. For the size, its the most stable boat i have had, love that i can stand on the edge of the deck and not have it rocking on me. Thought about selling it a few years ago, but decided to keep it and rebuilt the transom myself. Just thinking about maybe putting a 40 on it now since Lacassine allows it.

splac · #17 03-02-2015, 05:56 PM

Cajun I have a 1648 alweld semi v and I am in the process of having the Tohatsu 40 HP 4 stroke put on that hull now. What prop would you recommend putting on it?

splac · #18 03-02-2015, 06:16 PM

I am in the process of having one installed on a 1648 semi vee hull what prop set up do you think will be best to set up for fishing and hunting rig

cajunyoung · #19 03-03-2015, 10:25 PM

Well, just an update....i want to thank everyone for their opinions, suggestions and information. Went to LAM lasr saturday morning with some questions and got my answers. Talked to Gerald, very helpful and knowledgable person. Decided to go back this coming saturday and get the Tohatsu 40 4stroke for my marshrunner, gonna sell my Yammie, will miss it too. So i may call on ya'lls expertise about setting up a new motor, thanks!

bugmanmech · #20 03-05-2015, 03:14 AM

FYI I had 50 TLDI Tohatsu on my 1852. Replaced it with 40hp Tohatsu Four stroke and the four stroke ran faster with equal hole shot same boat same load.