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post #1 of 17 (permalink) Old 03-08-2013, 06:39 PM Thread Starter
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New bike - random questions

Hi guys - I bought a 2010 rgc and was told it was a 103 - is there a way to confirm this using the vin number or some other manor (stamping on cylinders?)? Also, can the engine/trans/primary be removed as one unit? I've tried to search this forum and use google to find my answers for a few hours and have come up empty.

Please help me out - any info or leads would be greatly appreciated.

Thanks!!!
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post #2 of 17 (permalink) Old 03-08-2013, 08:18 PM
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They didn't put 103's in the 2010. In 2011 it was an option. I would suggest you buy a Harley Manual. Good luck. The Vin # should help.


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post #3 of 17 (permalink) Old 03-10-2013, 05:40 AM
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Previous owner could've put a bore kit on the 96" motor to make it a 103, but that would be a bored 96. In 2011 and up the 103" motor is a stroked 96" not the same at all. Quite possibly like I said, could be a 96 with a bore kit.

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post #4 of 17 (permalink) Old 03-10-2013, 06:31 AM
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Originally Posted by Taccone View Post
Previous owner could've put a bore kit on the 96" motor to make it a 103, but that would be a bored 96. In 2011 and up the 103" motor is a stroked 96" not the same at all. Quite possibly like I said, could be a 96 with a bore kit.
+1, a stock 2010 is 96". Aftermarket is an entirely different issue though.

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post #5 of 17 (permalink) Old 03-10-2013, 11:06 AM
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Quote:
Originally Posted by Taccone View Post
Previous owner could've put a bore kit on the 96" motor to make it a 103, but that would be a bored 96. In 2011 and up the 103" motor is a stroked 96" not the same at all. Quite possibly like I said, could be a 96 with a bore kit.
Actually the 96" is a stroked 88. The 103 has a 4 3/8 stroke just like the 96 only with a bigger bore.

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post #6 of 17 (permalink) Old 03-11-2013, 01:47 AM
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Actually the 96" is a stroked 88. The 103 has a 4 3/8 stroke just like the 96 only with a bigger bore.
That's right my bad, was thinking the opposite when I typed this up, the Bore between 96" is 3.750 vs the 103"s 3.875 bore. Here's the bore and stroke of factory harley offered engines.

Cubic" - Bore - Stroke

88" - 3.750 - 4.000

95" - 3.875 - 4.000

96" - 3.750 - 4.375

103" - 3.875 - 4.375

110" - 4.00 - 4.375

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post #7 of 17 (permalink) Old 03-14-2013, 06:36 AM
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Pete,
Look to see if it has wires coming from the heads, running up under the tank, indicating compression releases.
If so, then it would be a 103"er.
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post #8 of 17 (permalink) Old 03-14-2013, 07:27 AM
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Pete,
Look to see if it has wires coming from the heads, running up under the tank, indicating compression releases.
If so, then it would be a 103"er.
Scott
I thought the Power Pack 103" option wasn't available until 2011 and then, only briefly. I honestly don't know if that option included auto compression releases either though... I'm not really an expert on the topic either way.

Maybe you're thinking a modded 2010? Personally, I was thinking that might be what he has.

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post #9 of 17 (permalink) Old 03-14-2013, 08:42 AM Thread Starter
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Thanks for all the info guys - you've all been a great help with info.

I'll check for the compression release tonight.
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post #10 of 17 (permalink) Old 03-14-2013, 08:47 AM
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2010 didn't come with a 103. If you have CR's that might indicate that you have upgraded heads and a 103 kit was installed.

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