How to tell the difference - Honda RC51 Forum : RC51 Motorcycle Forums
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post #1 of 17 (permalink) Old 11-05-2019, 11:58 PM Thread Starter
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How to tell the difference

Hi so i got a pcll in a parts trade and when i install it on my sp2 the bike dies if i let go of the throttle. I contacted dynojett and they said its the wrong unit thats its for a vfr800 not an rc51. I dont know how they would know that when i never even told them the current map loaded on it. But my question is how would i know if they are correct or not
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post #2 of 17 (permalink) Old 11-06-2019, 04:41 PM
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I'm assuming you gave them a model number off of it ?
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post #3 of 17 (permalink) Old 11-06-2019, 05:36 PM Thread Starter
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nope just said it was a pc2 and if it matters i did not splice it into the bike. it just plugged right in
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post #4 of 17 (permalink) Old 11-07-2019, 03:14 AM Thread Starter
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also the map sticker on the back says m105-001 map . i looked andcant seem to find any maps close to that
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post #5 of 17 (permalink) Old 11-07-2019, 06:15 AM
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I don't have a lot of experience with the PCII, however, did you load any maps to sync with the exhaust and air filters? You may have already done that, but you never know.
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post #6 of 17 (permalink) Old 11-07-2019, 07:36 AM Thread Starter
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Yes i have got a couple maps to load that are for my upgrades but the bike keeps dying when i let off the throttle
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post #7 of 17 (permalink) Old 11-08-2019, 11:53 AM
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105 is for a SP1
114 is SP2
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post #8 of 17 (permalink) Old 11-08-2019, 02:09 PM
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heres a suggestion. how far is the idler turned up? may be a stupid question but sometimes it helps to start with the basics. you may be more advanced than me i was just trying to help. did the bike run fine before the pcII? is there a ground wire on the pcII harness? you said you just plugged her in. i noticed that ldh is saying you have an sp1 pcII, i guess theres your problem.

lovin' my little torque monster.

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post #9 of 17 (permalink) Old 11-08-2019, 02:29 PM Thread Starter
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Yes when I bought it the guy told me it was map for an SP one I was just thinking I can load a new map onto it because it is for the RC51 order as the manufacturer is trying to tell me it's for the VFR as well as I will check the idle but it did run fine with the stock computer so can I just change the map to an SP2 map?
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post #10 of 17 (permalink) Old 11-08-2019, 02:30 PM Thread Starter
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And yes there was a ground wire and yes I hook it directly to the battery on the negative side
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