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2003 CBR600RR won't start hot

  1. #26
    Unsafe At Any Speeds Jim's Avatar
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    Re: 2003 CBR600RR won't start hot

    I just want to go on record here and note that Degsy said I might be right.

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  2. #27
    Dictionary quoting knob stoinkythepig's Avatar
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    Re: 2003 CBR600RR won't start hot

    Quote Originally Posted by Tricky Mike View Post
    I'm planning on making all new 4ga cables. Was talking to Eric Colbath about it on Monday and he said he has seen them age poorly. It's also a cheap fix.
    I have access to some kick-ass crimping tools for big wire. Lemme know if you need some lugs crimped.

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  3. #28
    Super Moderator TheIglu's Avatar
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    Re: 2003 CBR600RR won't start hot

    I'd just flow some solder in all the crimps of the connections that supply power to the starter and back all the way from the battery. (batt terminals, solenoid, starter connector lug, grounds, etc)

    Had to do it on the Vmax. Ran like a whole new bike after 45 minutes with a soldering iron and a raging erection.

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    Last edited by TheIglu; 05-09-13 at 02:48 PM.
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  4. #29
    Resident Turkey Tricky Mike's Avatar
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    Re: 2003 CBR600RR won't start hot

    Quote Originally Posted by stoinkythepig View Post
    I have access to some kick-ass crimping tools for big wire. Lemme know if you need some lugs crimped.
    I've been crimping with the 20-ton press.

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  5. #30
    Dictionary quoting knob stoinkythepig's Avatar
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    Re: 2003 CBR600RR won't start hot

    As long as they lugs are crimped, solder is a good idea.

    I would not recommend just solder though, that can fail spectacularly if the lug heats up from a poor connection and releases the battery lead lead to flop around in a mostly metallic environment that's connected to the other side of the battery...

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  6. #31
    Dictionary quoting knob stoinkythepig's Avatar
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    Re: 2003 CBR600RR won't start hot

    Quote Originally Posted by Tricky Mike View Post
    I've been crimping with the 20-ton press.
    I also have access to telecom-quality crimp lugs; nice seamless tinned copper stuff.

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  7. #32
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    Re: 2003 CBR600RR won't start hot

    If you dig into it, you'll find hot starting is a common problem with the '03 and '04 CBR 600RR. Try the simplest solution first: get a known, fresh, high quality battery, and perhaps replace the r/r with a heat shielded one from a '05 or newer to help keep the battery in good shape.

    Being an RR with a bias towards light weight track performance, and not everyday riding, the battery spec is just barely adequate for use as a daily rider. A gas stop, a snack stop, and a stop at the bank, and your battery might be done for the day, or at least until it cools way down and the electrical resistance in the whole system decreases a little.

    Slightly bad grounds, a starter motor that has slightly higher resistance due to heat or age, radiator fan running, etc. can all combine and contribute to the problem and become too much for the battery.

    A fresh, high quality battery fixed my '04 600RR hot start problem. It re-starts right away at 200 degrees plus.

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  8. #33
    Lifer Kurlon's Avatar
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    Re: 2003 CBR600RR won't start hot

    Quote Originally Posted by stoinkythepig View Post
    I also have access to telecom-quality crimp lugs; nice seamless tinned copper stuff.
    The 'handheld' crimper they use on the DC plant side of the telco house here is hilarious. I never would have considered hydraulics as part of a wiring kit before I started touching telco stuff.

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  9. #34
    Dictionary quoting knob stoinkythepig's Avatar
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    Re: 2003 CBR600RR won't start hot

    Quote Originally Posted by Kurlon View Post
    The 'handheld' crimper they use on the DC plant side of the telco house here is hilarious. I never would have considered hydraulics as part of a wiring kit before I started touching telco stuff.
    I think one of the "handheld" crimpers we have produces 15 tons of force. It is pretty sick.

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  10. #35
    Lifer
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    Re: 2003 CBR600RR won't start hot

    Can you get a few guys to lift it up?

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  11. #36
    First name on the shit list.... SVRACER01's Avatar
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    Re: 2003 CBR600RR won't start hot

    i had mentioned to mike while we were brainstorming a bit on monday that i noticed that his exhaust is not shielded (full aftermarket system) and was thinking that maybe the hot exhaust pipe thats running right past the battery may be heating it up. i suggested some sort of heat tape/wrap. we discussed the possibility of the R/R but the fact that the bike restarts (seemingly) without issue once it cools leads me to think maybe not.

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  12. #37
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    Re: 2003 CBR600RR won't start hot

    That's a good bit of info about his particular bike. If he has taken out the factory exhaust and heat shield, a replacement heat shield or tape under the subframe should help a lot, as the heat rising from the exhaust will tend to cook the battery and cause premature failure.

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  13. #38
    Resident Turkey Tricky Mike's Avatar
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    Re: 2003 CBR600RR won't start hot

    Yeah, even if it's not the #1 source of the issue the battery is definitely getting cooked. Full system + aftermarket subframe. Maybe my knees and elbows are blocking all of the airflow. I'll add some heat shield this weekend.

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  14. #39
    #331 CBR929RE's Avatar
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    Re: 2003 CBR600RR won't start hot

    Quote Originally Posted by Tricky Mike View Post
    Yeah, even if it's not the #1 source of the issue the battery is definitely getting cooked. Full system + aftermarket subframe. Maybe my knees and elbows are blocking all of the airflow. I'll add some heat shield this weekend.
    now you're making me think I could have a potential problem down the line also. there's a few inches between my exhaust and tiny ass battery and no undertray to hold any heat in so I think I should be fine.

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  15. #40
    Senior Member MarkMarine's Avatar
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    Re: 2003 CBR600RR won't start hot

    The 03 600RR had this problem from the factory. I had two of them, they both had the same problem (and while filing warranty claims, I heard many people with the same issue) but I crashed them both and got an '04, never had the problem with the '04. If I were researching this problem, I'd look at the part number changes in the charging/electrical system between 03 and 04, because Honda definitely fixed it. I suspected the rectifier was forked, sorry I can't be more helpful.

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  16. #41
    Resident Turkey Tricky Mike's Avatar
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    Re: 2003 CBR600RR won't start hot

    Thanks guys. Just bought a new Regulator/Rectifier. Going to try that with some additional heat shield and see how it goes. They're a known issue for my year bike, so here's hoping that just fixes it.

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  17. #42
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    Re: 2003 CBR600RR won't start hot

    Now that summer's over, how did your solutions to that problem work out?

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  18. #43
    Resident Turkey Tricky Mike's Avatar
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    Re: 2003 CBR600RR won't start hot

    New regulator/rectifier and a new battery. Been fine ever since...

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  19. #44

    Re: 2003 CBR600RR won't start hot

    Quote Originally Posted by Tricky Mike View Post
    New regulator/rectifier and a new battery. Been fine ever since...
    Hey man I'm having the same issues with my 2003 cbr600rr and I was wondering if the rectifier fixed your bike for the long run. I hate this my bike runs fine till I shut it down around 205 then won't start till about 158. Thanks

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  20. #45
    Resident Turkey Tricky Mike's Avatar
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    Re: 2003 CBR600RR won't start hot

    I'd replace the reg/rectifier, but I'd also replace the battery. In my case doing both is what got it fixed. As always I"m not a lawyer, ask your doctor if Xeljanz is right for you and your mileage may vary.

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  21. #46
    Lifer jasnmar's Avatar
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    Re: 2003 CBR600RR won't start hot

    I'm allergic to Xeljanz you dick.

    It's pretty awesome when a 7 year old thread gets bumped and the OP provides a solution that solved the problem.

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  22. #47
    Lifer Chippertheripper's Avatar
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    Re: 2003 CBR600RR won't start hot

    Quote Originally Posted by jasnmar View Post
    I'm allergic to Xeljanz you dick.

    It's pretty awesome when a 7 year old thread gets bumped and the OP provides a solution that solved the problem.

    At least we got to talk about dicks and zeljizz.

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    Last edited by Chippertheripper; 07-03-20 at 05:53 AM.
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