SP-1 vs. SP-2 trottle bodies - Honda RC51 Forum : RC51 Motorcycle Forums
 
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post #1 of 7 (permalink) Old 11-01-2015, 12:48 PM Thread Starter
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SP-1 vs. SP-2 trottle bodies

I'm new to RC51s, so this is probably easy for one you out there. I've read the SP-2 are bigger and I'm wondering if this impacts mounting to the heads, how many injectors each throttle body has, etc. Thanx in advance.
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post #2 of 7 (permalink) Old 11-02-2015, 04:31 PM
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Nope it mounts, i believe you just need the correct intake boots and the correct ecu for it.
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post #3 of 7 (permalink) Old 11-02-2015, 05:51 PM Thread Starter
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Any way to use my 2000 ECU?

2004 BMW R1150SR Project Touring Bike (in-work)
2005 Honda RC-51 SP-2 - future track tool
2014 Ducati HyperProject (Hyperstrada)
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post #4 of 7 (permalink) Old 11-02-2015, 05:54 PM Thread Starter
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Maybe I should ask, is it worth the trouble? Thanx in advance,

2004 BMW R1150SR Project Touring Bike (in-work)
2005 Honda RC-51 SP-2 - future track tool
2014 Ducati HyperProject (Hyperstrada)
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post #5 of 7 (permalink) Old 11-02-2015, 06:38 PM
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Originally Posted by BadToTheBown View Post
Maybe I should ask, is it worth the trouble? Thanx in advance,
Unless you port the heads, it is not worth the trouble for the very minor gains you may or may not see. (Plus exhaust, air box, etc...)



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post #6 of 7 (permalink) Old 11-05-2015, 01:44 PM Thread Starter
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OK, you've convinced me it's not worth it. I have the Moriwaki airbox, so that will go in this winter. I'm also going to get a hold of Kyle Racing on the fork and shock upgrades recommended elsewhere in this forum.

2004 BMW R1150SR Project Touring Bike (in-work)
2005 Honda RC-51 SP-2 - future track tool
2014 Ducati HyperProject (Hyperstrada)
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post #7 of 7 (permalink) Old 11-05-2015, 03:28 PM
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Maybe I should ask, is it worth the trouble? Thanx in advance,
No it is not
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