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Thread: Engine heat problem - is it true?

  1. #1
    apriliaforum Junkie hass's Avatar
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    Engine heat problem - is it true?

    Read just now that the RSV has a svere problem with excess heat coming off the engine onto arms and legs. Is this true? Can anyone confirm or deny this please?

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    I may not not be the best to judge since run water wetter... but, my Factory runs ~10 degrees cooler than a friends SV1000 also with water wetter and 20 degrees cooler than my friend Super Hawk... It runs about the same as my Futura. As for the heat on the legs... Pretty much everything I've ridden has been Hot... and that is 27 years of riding??? The Factory certainly hasn't struck me as any worse than anything else out there???

  3. #3
    apriliaforum expert X-CBR MAN's Avatar
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    Is there a problem with engine heat? If there is I hav'nt noticed.

    Edit: Sometimes my right toe gets warm.
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  4. #4
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    v-twins produce a lot of heat which is why titanium headers can have problems, having the rear cylinder exhaust header by your leg doesnt help but unless you are in shorts and flip-flops it doesnt get too bad. I would use exhaust wrap as well as jet hot if it is a major problem

  5. #5
    apriliaforum Junkie hass's Avatar
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    I test rode a Buell the other day - that was unbearable!!! Haven't ever had a problem with my BMW but then it's a 4cyl and only revs to like 8k

    It is seldom much over 25C here (about 77F) so maybe it wont be a problem...

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  6. #6
    apriliaforum expert Ricky J's Avatar
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    Operating Temps

    Do these newer RSVs run a hotter thermostat, Clarkie?

    When I took John Rossi's Factory out for a ride it seemed like alot of heat came up through that gap between fairing panels and frame spars.

  7. #7
    apriliaforum expert mossback's Avatar
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    My bike had started to run what I would call hot (from what I remember of last summers riding, oh man what a blast!) any way I checked the res and it seemed a tad bit low. Adding some additional water helped drop the numbers from a high of 207f to around 198 - 204. This was ok to me I could feel the difference, then I got to thinking about the 25,000 miles I have racked up so far and decided to flush the system as best as I could.


    Now that made a huge difference it runs around the 176 range pretty consistently. I used just water as a coolant replacement will get some water wetter and add that at some point.
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    apriliaforum expert RZRob's Avatar
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    You can roast nuts with one of these

    And I think I have. My Factory seems to hover around 200 in these warmer days (give or take a few). It's hot . On the RZ500, the back cylinder pipes go right under the seat and on warm days, they can have the same effect. I think it's trying to say "if you can't wear proper protection, don't play with me."

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    apriliaforum expert Rutan's Avatar
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    Mine gets up to 223 in Dallas traffic when it's 98 outside within 30 min for my 1 hour trip home. I have water wetter in since Thursday, and the only difference I can tell right now is that once you start moving above 25mph, the temp drops a lot quicker with water wetter. On the pluse side, with the engine heat, ambiant heat, road heat, and non-perf leathers, I have slimmed down a bit. Not that I had much to loose to begin with.


    Marcus

  10. #10
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    Quote Originally Posted by Bikeonline
    My '97 TL 1000 S seldom rises above 180. While cruising at the same speeds that would give my RSVR a temp reading of 185, The TL is stable at 164!
    The SV my friend rides runs ~10 degrees hotter than the Factory, and not 180 either... more like 210+. Before the water wetter we'd roll to light and he'd be at 220... I'd be close to 200... I'm sure there are other factors: he's got an agressive map (power comander) , he shifts later (to keep up ),

    but this is not a random sample... here in the hot south (VA) when I roll to the stop it's not uncommon that someone wants to compare engine temps (paranoia probably)... The Factory always comes up cool

  11. #11
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    Quote Originally Posted by Bikeonline
    Clarkie, I DID wrap my right leg & flip flops in heat wrap, but it's STILL extremely warm & uncomfortable!
    Did you wrap it clockwise or counter-clockwise?

  12. #12
    apriliaforum member scott2ride's Avatar
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    Stop ya moaning ya pack of pussies. Heat is only noticable if you are riding slowly in town or spend your time sitting idling outside cafes. Just ride the bloody thing and get the cool air flowing and it's not a problem.

    Having said that, I jet coated my headers and removed the catalitic converters.

    The bike is a lot warmer in stock form due to the catalitic converters in the mufflers. These heat up and the extra back pressure increases heat. If you core the stock cans or put aftermarket mufflers (or a full system) on the bike it is alot cooler... in more ways than one!

    I ride summer and winter and only notice the heat in mid summer in 26+C heat if im going slow or at lights.
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  13. #13
    apriliaforum Member Johnny in Oz's Avatar
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    Quote Originally Posted by scott2ride
    Stop ya moaning ya pack of pussies. Heat is only noticable if you are riding slowly in town or spend your time sitting idling outside cafes. Just ride the bloody thing and get the cool air flowing and it's not a problem.

    Having said that, I jet coated my headers and removed the catalitic converters.

    The bike is a lot warmer in stock form due to the catalitic converters in the mufflers. These heat up and the extra back pressure increases heat. If you core the stock cans or put aftermarket mufflers (or a full system) on the bike it is alot cooler... in more ways than one!

    I ride summer and winter and only notice the heat in mid summer in 26+C heat if im going slow or at lights.
    Ditto what he said.

    Except that I got my headers coated and changed pipes - but this really makes bugger all difference IMO. I really could'nt care less though. I always ride in leathers and what's an issue occasionally in summer is an unexpected benefit in winter.

    John
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  14. #14
    apriliaforum member scott2ride's Avatar
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    To solve this issue I hear CC rides naked and apparently loves the heat on his balls.

    He even installed STOMP knee grips in the groin area to "Improve Feel!"
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  15. #15
    apriliaforum expert Dr. Thrillride's Avatar
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    I coated mine too and don't notice the difference. It's a matte black ceramic coating but I don't think it's as thick as the jethot type coating.

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