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Street Triple Forum Owners and Enthusiasts of the new Triumph 675 Street Triple.

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Old 10-19-2010, 07:18 PM   #1 (permalink)
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10 ST3R dead....overheated plus electrical chaos to boot!

So the Striple is in the shop.

It overheated on me the other night while on a ride through Los Angeles (cruising speeds for a couple of hours, with short highway burn back into Hollywood). I regretfully wasn't paying attention to the temp gauge when all of a sudden the bike started bogging as if it were running out of gas. I luckily was able to pull into a gas station and inspected the bike. I had plenty of gas and the engine was smoking slightly. I let it cool off for a good 20 mins and tried starting it to no avail. It was as if the battery drained for some reason and didn't have enough amps to turn over the engine. After a few failed attempts at starting the dash went dead. No lights, no response when hitting the starter.

So I tow it home and trickle charge the battery over night. I noticed the coolant reservoir was below the minimum mark and after looking around the bike saw dried up coolant on the main hose coming out the front of the engine.

The next day I put the battery back in and refilled the coolant to the max line. The bike started right back up and ran fine. I took it to work and kept my eye on the temp gauge all day and things were looking good. Good enough to decide to ride it out to the dealership the next day to get it looked at under warranty just in case!!

Well I never made it to the dealer............it died on me again.

This time it didn't over heat at all. It was running great all along the highway. My low gas light came on, so I got off an exit and that's when things went bonkers!!! I got sudden surging of the engine. I thought the throttle was stuck, but that wasn't it. I downshifted, still the engine was surging. The dash started flickering like crazy and the dash went dark again. The bike was still bogging like crazy, revving up and down so I pulled into a lot and hit the kill switch.

The same outcome happened like the other night. The bike wouldn't fire up. The dash would light up sometimes then go dead when I hit the ignition switch. The coolant level was fine this time though, so no evidence of overheating, but there sure is some sort of fun electrical gremlin having a field day now! I tried checking fuses, but opted to just get another tow.

The bike is at SoCal Triumph currently and getting looked at. I will update this thread once information comes in. I'm hoping this doesn't turn into an electric circus show. Time will tell.

Ok...............end rant.
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Old 10-19-2010, 09:12 PM   #2 (permalink)
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Prediction: R/R fried, not providing power to the bike=running off the battery+no fan+no battery charge=electrical malfunctions+overheat+ingnition/injection failure.

Hopefully no residual damage and they can replace the unit and the battery and get you running. Make sure they check the stator output, pressure test the cooling system, and change the toasted coolant and oil.

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Old 10-19-2010, 10:12 PM   #3 (permalink)
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What Orangeman said - its the RR for sure as that thing has caused more havoc on our bikes that anything

Your electrical system is running off the battery alone and not re-charging its self so thats why the bike goes dead with funny problems like low gas light on and engine surging. Make sure they install the latest MOSFET RR unit and have it facing the rear wheel for better breathing room.
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Old 10-20-2010, 05:00 PM   #4 (permalink)
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+1 for RR!!!

just check your coolant hoses at the front, bottom part of the engine, mine leaked out from there the other day and I just tightened the clamps up.

as for your RR, when mine clunked out, my dash went out, to which I stopped and turned off the engine. I then wanted to start the engine again and FAIL! Got towed back to the dealer and got a new RR (I think it is the same brand/version - so it could fail again lol)

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Old 10-20-2010, 05:34 PM   #5 (permalink)
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Sounds very much like the R/R- the heat and smoke are well documented. Coolant should only be full to the min level when cold and if you fill to max it will eject some through the overflow when it warms up.
Did your temperature gauge read more than 5/6 bars and the temp display flash rather than read as a steady display? That would be a sign of engine overheating-the things you have described would otherwise be consistent with the R/R failing.
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Old 10-20-2010, 05:56 PM   #6 (permalink)
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Quote:
Originally Posted by stock View Post
the engine was smoking slightly.
What do you mean by this?...from where?

Engine may not have overheated at all if fluid was slightly below MIN mark...these bikes seem to all leak a little from the hoses...tighten hoses and keep an eye on the level.

+1 to RR as seeming cause of other symptoms.
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Old 10-22-2010, 07:17 PM   #7 (permalink)
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update #1

twas thy regulator........

Updated part on rush order, should be up and running by next weekend. s crossed:

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Old 10-25-2010, 01:46 AM   #8 (permalink)
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Let us mow if you get the new RR unit which you should.
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Old 10-26-2010, 02:53 AM   #9 (permalink)
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my bike has been at Socal triumph since the the 9th of this month waiting on a front sprocket seal, should be getting the bike back this week fingers crossed as well. Hope all turns out well for you mate!
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Old 08-07-2012, 03:27 PM   #10 (permalink)
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Hi everyone
Reading this post because I have had the same problem as Stock

This time it didn't over heat at all. It was running great all along the highway. My low gas light came on, so I got off an exit and that's when things went bonkers!!! I got sudden surging of the engine. I thought the throttle was stuck, but that wasn't it. I downshifted, still the engine was surging. The dash started flickering like crazy and the dash went dark again. The bike was still bogging like crazy, revving up and down so I pulled into a lot and hit the kill switch.

Exactly the same thing happened to me - on a busy motorway, you really dont want the bike decising how fast it wants to go. Scary to say the least. Reading other posts, I guess its the R/R. My big problem is that if the R/R failing is a known issue, and it can have such a dangerous effect, what have Triumph done about it? If they know their bikes have a fault that is so serious, surely they should take some responsibility? I will let you know when (if) I get a reply from them.....
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