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Author Topic:   150 Sport spare tire
ScottS posted 03-28-2007 09:31 PM ET (US)   Profile for ScottS   Send Email to ScottS  
Can any 150 Sport or Montauk owners tell me what brand/model # spare tire mount they have and how it is mounted? I have the Karavan trailer and I'm having a hard time finding a mount that will fit with the limited space due to the folding tongue. The only discussion I found through searching was about the EZ Loader trailer. A link to pictures of your trailer would be a great help.

Also, does anyone make radial trailer tires for a 12" rim? Goodyear and Carlyle only list 13" and larger on their websites.

2004 150 Sport

contender posted 03-28-2007 10:17 PM ET (US)     Profile for contender  Send Email to contender     
I thought you are not suppose to use radials on trailers, Do not know about the tire companies that make that size radial. There is a cheap giant u bolt that is bent to fit around the tongue or other part of the trailer, Then it has two flat bent pieces of threaded steel that screw together and you can put a pad lock on. They make a nice spare tire/hub holder for mounting on trailers, I would look for this one...good luck
Royboy posted 03-29-2007 07:11 AM ET (US)     Profile for Royboy  Send Email to Royboy     
I used one of the giant square U-bolt units sold for this purpose on my 130 Sport Trailer, mounted just aft of the Winch stand, with the tire horizontal. I understand this may not be the perfect position for boats stored outside, because water can collect around the bead and rust the rim. Mine was stored indoors, so no problem.


ScottS posted 03-29-2007 08:15 AM ET (US)     Profile for ScottS  Send Email to ScottS     
I've used the U shaped mount for other trailers - it's cheap and it doesn't add much weight. However, there isn't enough room on my 150 Sport trailer for a tire to fit on the tongue or winch stand. I understand other folks have used the mounts that hold the tire up and away from the trailer, so I was hoping to find out the exact model they have. Thanks!
rbm posted 03-29-2007 08:15 AM ET (US)     Profile for rbm  Send Email to rbm     
howdy, i've a 2005 150 sport with a spare tire..I got mine at a regional tire distributor here in the NW, Le Schwab. 5.30 -12/6 AWC 701 Hi Speed Trailer Tire with a 12x4 5-4.5 Galvanize 8 spoke trailer wheel. email me at and I'll send some pictures I just took.
Yes you are correct the alignment/positioning of the spare is tight, but it will fit without interference to the boat. I think I had to move the trailer 3rd wheel thingamajig a bit rearward in order to mount my spare..and that 3rd wheel is VERY close to the trailer's port side marker light
rbm posted 03-29-2007 08:19 AM ET (US)     Profile for rbm  Send Email to rbm     
oh yeah forgot to add that I have the spare wheel attached to the trailer with a couple long ubolts that I found at West Marine. The nuts for the bolts are essentialy L shared brackets that alowl for a padlock to be used to secure the spare tire to the trailer...and my recollection was that I also took a beer to install and another beer to admire my accomplishment
TRAFFICLAWYER posted 03-29-2007 11:36 AM ET (US)     Profile for TRAFFICLAWYER    
Northern Tool, sells the same tire on a painted rim for $60.00. I have bought one also as we have a 15' sport.
Phil P posted 03-29-2007 01:11 PM ET (US)     Profile for Phil P  Send Email to Phil P     
ScottS,Sent some pics to your e-mail
GreatBayNH posted 03-29-2007 01:25 PM ET (US)     Profile for GreatBayNH  Send Email to GreatBayNH     
I ordered a spare tire and spare tire mount from Trailer Parts Superstore for my 2006 Montauk 170. Happy customer!

Worked great for my Karavan trailer with swing tongue. I don't know how much smaller the 150 Montauk trailer is but I thoughht I'd share the info anyway.

1350077 ST175/80D-13" Tire & Galv. Rim
5212009 Galvanized Spare Trailer Tire Mount

GreatBayNH posted 03-29-2007 01:42 PM ET (US)     Profile for GreatBayNH  Send Email to GreatBayNH     
Picture of spare tire mount on swing tongue Karavan trailer for Montauk 170.¤t=DSC00117. jpg

Notice I mounted the spare on the side of the trailer that will NOT be facing traffic when I have to pull over. Now if the tire needing repair is on the traffic side of the trailer, that's another thing entirely, but at least I've decreased my odds of becoming road kill taking the spare off the trailer.

FRSam posted 03-30-2007 12:54 AM ET (US)     Profile for FRSam  Send Email to FRSam     
Scott this is a 150 Montauk on Karavan trailer with the break a way tongue. It's snug but it fits. DSC02788PhotoBucket.jpg

ScottS posted 04-03-2007 05:16 PM ET (US)     Profile for ScottS  Send Email to ScottS     
Thanks to everyone who responded! It looks like there are several variations on trailers used for the 150 models with mine having the least amount of tongue space. I ordered a spare tire last week. It appears using a U-bolt mount on the winch post or right behind the front marker light are the only options and both are a tight fit.


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