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See full version: Speed increase from Nissan 9. 9 to 15 hp conversion


mtve
06.05.2021 19:52:42

I have a 14' Grumman with a '10 Merc 15hp and I've hit 24.5 by myself with about 3 gallons of gas. Pretty light rig though. But I'm a ways above sea level here so it would be quicker at the coast.
Looks like I should have gotten the 9.9 and a $7.57 cam. LOL But it was a gift from my father, so I'm not complaining a bit!
Anyway to get a 15 to a 20? Just kidding. I don't want to go any faster on my tin can than I already do. It's rated for 15 and I don't want to overdo it. I hardly go WOT anyway.


ashley01
18.05.2021 4:17:51

Re: Speed increase from Nissan 9.9 to 15 hp conversion? more


carol88miller
27.05.2021 9:21:55

Some tech issues assuming it's a 2 strokes model. here


gilbertj0hn
26.04.2021 9:26:35

A 9.9 would be rated for about 21mph on a light reasonably fast hull.
If we knew the proip size and the wot rpm we may be able to tell if your setup is working.
An induction tach or optical tach and a gps will work.Typical 15hp speed would be around
25 again on a light reasonably fast boat.


jmarclucash
26.04.2021 4:37:51

We stock all of our products and ship quickly (usually either the same day or next business day) from Massachusetts.


qay
13.06.2021 6:17:35

Ready Set Boat strives to make every customer satisfied with their purchase. We know that to maintain our high level of repeat customers and referrals we have to provide a high level of service at an affordable price.


kathlemith24
23.04.2021 21:41:04

This carburetor fits the Nissan NS9.9 outboards built in 1993 and newer (these include the NS9.9C, NS9.9D and NS9.9D2 2-Stroke 9.9HP outboard engines).


miernik
19.05.2021 12:22:00

TOHATSU 3R3871221M Carburetor repair kit. Kit includes gaskets, float & needle valve.Fits: 9.9 A & B & 15 A & B & 18 A & B 4-stroke models. Does not fit two stroke models and will not fit the 15 C four stroke model. more


John Doe
24.05.2021 10:01:18

TOHATSU 345871220M has been superseded by part number 345871224M Carburetor repair kit. Kit includes gaskets, float & needle valve.Fits:40C 2-stroke model. Does not fit the 40 D two stroke model. here


ngatyeu87
05.05.2021 20:25:29

TOHATSU 3C7871222M Carburetor repair kit. Kit includes gaskets, float & needle valve. One kit repairs all 4 carburetors. Fits:115hp, 120hp & 140hp 2-stroke models


destine
05.06.2021 11:32:36

TOHATSU 3R3871221M3 Carburetor repair kit. Kit includes gaskets, floats & needle valves for all three carburetors.Fits: 20 A & 30 A 4-stroke models 4-stroke models. Does not fit two stroke models and will not fit the 25 B & 30 B four stroke model. [links]


psbagumba
01.06.2021 4:51:17

The revised count is actually 11 Tohatsu/Nissan "dealers" within
an hour's drive, many of those are within 1/2 hour. These are from
the Tohatsu and Nissan Marine websites (both set up by Marubeni,
the US distributor). I recognize some as Tohatsu, others as
Nissan, since I've been to some of them. here


FatherMcGruder
30.05.2021 15:44:46

24 hours in a day -- 24 beers in a case. Coincidence? here


Symbiosis
18.06.2021 7:29:02

invalidates knowledge distilled from many data points, so I just
want to make sure to emphasize that folks should check for
themselves where *they* are.


sizeddenim
11.05.2021 13:38:36

>This newsgroup is notorious for posters insisting that anecdoctal
>information about their area invalidates knowledge distilled from many
>data points.
>


saullysaul78
16.05.2021 8:43:46

Tohatsu makes Mercury/Mariner outboards 5 HP and below. The
original poster was asking about a 30 HP Nissan, which is why I
didn't mention the Merc connection to Tohatsu, as it's interesting
but not strictly relevant to his situation. more