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January 14th, 2013, 11:46 AM   #1
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Hard Starting 570

Ok, I own two FE570's, an 09 and a 11. They both run great, but the 11 has to crank over quite a bit longer to get started, especialy when cold. The 09 just fires right up every time. The 11 always fires up but just takes a lot more cranking, and seems to catch slowly, sputter, sputter, then varoom.

Why is this?

Any ideas or help would be appreciated.
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January 14th, 2013, 10:03 PM   #2
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Re: Hard Starting 570

My 11 FE570 does the same thing but on the opposite side of the spectrum in quite hot weather. Sometimes stalling at the lights and not starting for a few minutes...
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January 15th, 2013, 02:52 AM   #3
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Re: Hard Starting 570

Test your engine coolant temperature sender, or perhaps in khromosones case it's the fuel pump heat sieze drama, definitely has the symptoms. Jake you have the perfect opportunity to diagnose your problem, you have the luxury of being able to swap parts between the bikes and use the process of elimination. My brother's 11 570 had the same problem you describe but he never held on to his bike long enough for us to figure it out.
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January 15th, 2013, 11:41 AM   #4
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Re: Hard Starting 570

valve clearances? i don't know the mechanical side of things but have heard hard starting can mean the valves have moved a bit. although the 2009+ FE models are known for rarely needing valve clearance adjustment...
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January 16th, 2013, 06:31 PM   #5
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Re: Hard Starting 570

I had the same problem that we finally think we have chased down. 2011 FE570S slow starting to the point that I would have to grind on the starter until it would kill the battery.

I also have a 2009 FE450 that starts when you hover your thumb over the button. So I knew the bikes will start...

We put the competition map in thinking that was it, that helped the lean closed throttle pop, still slow/hard to start when cold.

The dealer checked the Throttle Position Sensor, which was just out of spec from the factory, this adjustment made it seem to start better, but still had an issue every now and then where it would not start and run the battery down trying to start it.

We double checked the fuel pump, it worked fine and held pressure with the dealer checking.

Then we decided to back up and start checking the simple things. It ended up being the battery. I noticed that it didn't spin the engine over quite as fast as the 450 does when starting. I would charge the battery and it would show 12.5-13v while not under load. Under load it would drop to about 4 to 5 volts, and turn the engine over, sometimes it would start, but sometimes apparently not fast enough for it fire. Put in a new battery and it starts right up cold or hot, and has for the last couple of months with no more issues.
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January 16th, 2013, 08:06 PM   #6
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Re: Hard Starting 570

Thanks for all the input, I appreciate the responses.

I bought the 09 with 3500 miles on it. I changed the fuel pump on it, and battery to one of those new tourtech types. I then rode it 1600 miles from TJ to Cabo, she was great.

First thing I did when in bought the 2011 (which had 250 miles on it) was to change the fuel pump, before I even had put 5 miles on it. So that's out.

Then I moved my new high dollar battery from the 09 to the 11 (along with a lot of my other after market stuff), so that rules that out.

As far as mapping, I've never brought either in to flash a new map. The 09 had a factory map switch, I set it on aggressive. When I bought the 11 it had no switch, so I moved the 09 switch to the 11. The 09 still starts when you hover over the switch, and the 11 cranks a while.

Keep the input coming.

Thanks
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January 17th, 2013, 03:41 AM   #7
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Re: Hard Starting 570

Try changing ecu's, injectors or entire throttle bodies.
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January 17th, 2013, 06:42 AM   #8
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Re: Hard Starting 570

I'd take the '11 in and get it unlocked and remapped to the latest competition map. I think it is ~$60, and I'm sure they can also see why the bike doesn't start well. I never take my bikes in for work, but this is one thing I'd do to the Berg. The stock map is really bad and is just there to get the bike to clear epa/dot. Since the '11 is the first street legal one, I wonder if the map has to be especially screwed up before it can be sold as a street bike.
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January 17th, 2013, 04:49 PM   #9
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Re: Hard Starting 570

When my 2010 FE570 was newer I occasionally remember times when it would take a while for it to start. I use to open the throttle a little and I think that helped.
It has 66 hours on it now and always fires up cold or hot without using the throttle.
I did have a marginally tight Exhaust Valve, maybe it was that or maybe being newer, the engines are a bit tighter?
Davo.
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January 17th, 2013, 07:55 PM   #10
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Re: Hard Starting 570

Thanks for all the input.

I'm going to bring it in to a dealer next week and have the ecu flashed. On the phone they said the tps might need adjustment also.
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