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  1. #1
    Wankel till I die!! jonjonwells's Avatar
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    How cold before Cold Seize

    OK, here's my question. How cold is too cold. I have a 95 SLT with an unrestricted cooling from the head. The stock systems has a thermostat to regulate temps and keep me from cold seizing. What would be the recommended lowest you would run, water temp, air temp, etc. If it can't be run this cold, how can I restrict my water flow a little. Clamp off a pisser??

    Wiseco's by the way.


  2. #2
    ph2ocraft's Avatar
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    I'm running the Wiseco's with no restriction as well.
    I have no pissers I can reach while riding in the freezing cold.
    I'm talking a thin ice layer on the ground and Delta cold water.
    I'm talking insulated gloves and helmet cold.
    I warm my ride up a solid 5 miutes just as the others in our group.
    If I hit the throttle as she rocks, I know it'swarm.
    If it hesitates or bogs even the slightest I let it warm up another minute or two and then I'm off for the rest of the trip.
    No piston failures other than tuning issues wayyyyyyy back when.

  3. #3
    She likes the bike. But the ski gets her wet!!!! xlint89's Avatar
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    My Wiseco failed on my 780 which was believed to be from the piston expanding and the cylinder not. How much the timing and compression had to do with it, I'm not sure. (785 PRO CDI and 13:1 OP head) I was running unrestricted pissers on a 80* day with water temps around 64* when it failed. (engine was completely warmed up for over 10 mins) What I've learned is the 2 cycle engine's ideal temp is 143*. Use restrictors in your pisser hoses to regulate temps. More restriction on cooler running water and less on the hotter hoses. Trying to make all pissers as close as possible in temps. You're using an OP head if I'm thinking correctly, which only has a 3/4" outlet to regulate.

  4. #4
    Wankel till I die!! jonjonwells's Avatar
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    Yup, just the 3/4". I am thinking of putting a socket within the line. Yes, I'm an idiot. But it just might work.

  5. #5
    Watcon's Avatar
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    Cold Seize.

    This is a rumor.. It is usually told by a crappy mechanic to an unsuspecting customer when they have no idea why your motor actually seized...(see Snopes.com).. LOL..

    The only way I can think of the "cold seize" you ski is to let is to start with a perfectly cold motor, start it up and "pin-it" WFO across the lake without any warm-up... The procedure H20 descrided is correct., and as long as your cylinder / bore clearance is correct you will not have any problems.. You should be able to ride until the steering calbe freezes..

    Forged pistons do require more bore clearance, as they "swell" differently, but if it didn't seize in the warmer weather, you shouldn't have any problems in the colder weather.. REMEMBER.. This is just "general information" and will not apply to every situation.. So proceed with caution.. My opinions are based on my and my customer experience with equipment set up with my basic guidelines and might not apply to everybody..

    Happy Holidays, and keep your feet out of the water..
    Randy

  6. #6

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    what about condensation seeping thru , cups , concrete, winsheilds,

    makes the cly like a freezer cold tall boy in the middle of summer

  7. #7
    100 MILES OF HEAVEN AND I AM SMACK IN THE MIDDLE KEYZBUM's Avatar
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    Quote Originally Posted by 97sltx1050 View Post
    what about condensation seeping thru , cups , concrete, winsheilds,

    makes the cly like a freezer cold tall boy in the middle of summer
    condensation thru glass????? i think 1 side can affect the other and make "available" moisture condens and form water droplets..now you can get water to pass thru concrete but not glass or metal cyl... please correct me ---i dont mind being wrong it just means I learned something
    mattman

  8. #8

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    i never had much on the windshield but surly a glass of soda and beer can

  9. #9
    AWA Member 32DegH2O's Avatar
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    Lake Superior early summer season...34 degree water, 60 degree air temp., run no thermostat and no problems so far in ten years!! I do let the engine warm up for several minutes though before taking off.

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