Results 1 to 4 of 4
  1. #1

    used radiator hose for busted exhaust coupler still have a leak

    do i need to use a different hose? or a sealant? i reduce the smoke in the front of the hull by 90% because my coupler had a hole so i replaced it with a radiator hose and WOT on the lake for 3 min the smoke will build in the hull and slows down the engine. i open the hood and let the smoke out. and i can go fast again for 3 min but the small exhaust leak is killing me

  2. #2
    mibunkerking's Avatar
    Join Date
    Aug 2008
    Use semi truck heater hose. 2 1/2" I think. That or oem coupler.

    You should only need two hose clamps to get a good seal. My guess is you have a hole in your waterbox or resonator. Run it on the hose and take a flash light and go all the way down the exhaust (front to back) looking for fumes. They should show up easily with the flashlight. Once you find it, follow it to the source. It could be in a very tricky spot like under the waterbox or somwhere you can't see like the backside of the resonator.

  3. #3
    the leak started at one place after the cone and before the water box. i just have trouble getting it where there is no leak. i used radiator hose and that thing expanded in the middle FAT! so i dunno if that hose was strong enough,

  4. #4
    first off its not radiator hose. You are using the wrong material

    the hose is marine wet exhaust hose/fuel filler hose.

Thread Information

Users Browsing this Thread

There are currently 1 users browsing this thread. (0 members and 1 guests)

Similar Threads

  1. Need exhaust coupler for stinger mod
    By hayabusarider in forum Kawasaki Open Discussion
    Replies: 15
    Last Post: 02-10-2009, 09:08 AM
  2. Silicone coupler for the exhaust?
    By VX1 in forum 4-Tec Performance
    Replies: 17
    Last Post: 07-25-2008, 01:11 PM
  3. Shorty and exhaust coupler for RXT
    By bruinsrme in forum Sea Doo Classifieds
    Replies: 10
    Last Post: 04-25-2008, 05:09 PM
  4. Where to buy Exhaust Hose for FX140?
    By cuban133054 in forum Yamaha PWC Performance (4-stroke)
    Replies: 5
    Last Post: 04-23-2008, 06:25 PM
  5. Can I use a Silicon Coupler for the exhaust?
    By yellow4 in forum 4-Tec Performance
    Replies: 3
    Last Post: 09-21-2007, 11:03 PM

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts