 EFI to 904?
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Joined: Jun 2010
Posts: 1,193 Likes: 22
Learned Hand
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OP
Learned Hand
Joined: Jun 2010
Posts: 1,193 Likes: 22 |
I'm sure this has been covered before but I just can't seem to make sense of the search function.
I've got an 014 LT.......been waiting for the 1200 TBA......it might be too small physically for me.
Is there any value in upgrading my 865 to 904?
It seems such a small increase...does it justify the effort involved?
I took the Road Less Travelled.
Now where the ****** am I?
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Re: EFI to 904?
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Joined: Feb 2007
Posts: 23,186 Likes: 55
Fe Butt
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Fe Butt
Joined: Feb 2007
Posts: 23,186 Likes: 55 |
Could make it worth it by changing cams, blueprinting, opening up the intake and exhaust but leave some back pressure. The 904 has higher compression so you gain that with the small increase in cc.
I learned all I need to know about life by killing smart people and eating their brains.
Eat right ,Exercise ,Stay fit, Die Anyway!
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Re: EFI to 904?
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Joined: Jun 2010
Posts: 1,193 Likes: 22
Learned Hand
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OP
Learned Hand
Joined: Jun 2010
Posts: 1,193 Likes: 22 |
That's worth thinking about too....thank you
I took the Road Less Travelled.
Now where the ****** am I?
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Re: EFI to 904?
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Joined: Jun 2011
Posts: 407 Likes: 2
Adjunct
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Adjunct
Joined: Jun 2011
Posts: 407 Likes: 2 |
I had the cam & big bore upgrade done at the 12,000 mile service. While it was not a big difference (like a different motorcycle) it was a noticeably improved, smooth, responsive and fun motorcycle. Approx gains were HP=10, TQ=6
Do the cams (813 grind for example) when/if you do the 904 big bore. Little benefit from the increased cc's if you can't flow enough fuel into them. Air box mods and free flowing exhaust of course. And speaking of fueling, a custom dyno-tune would then be needed.
I'm glad it's done, and I did it when I could afford it.
09 America, some modifications
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Re: EFI to 904?
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Joined: Jun 2010
Posts: 1,193 Likes: 22
Learned Hand
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OP
Learned Hand
Joined: Jun 2010
Posts: 1,193 Likes: 22 |
Thanks for that too. I'm looking mostly to improve two up touring rather than outright top speed.
Whilst I do use it as an all round bike at present, a bit more urge would be an advantage when loaded up.
I took the Road Less Travelled.
Now where the ****** am I?
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Re: EFI to 904?
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Joined: Feb 2007
Posts: 23,186 Likes: 55
Fe Butt
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Fe Butt
Joined: Feb 2007
Posts: 23,186 Likes: 55 |
That's good since the BB will not effect top speed, that's gearing and rev limiter.
I learned all I need to know about life by killing smart people and eating their brains.
Eat right ,Exercise ,Stay fit, Die Anyway!
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Re: EFI to 904?
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Joined: May 2011
Posts: 94
Member
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Member
Joined: May 2011
Posts: 94 |
Go for 1100. Not to much difference from 865 to 904. Stay with the 865 and get some old 790 cams or hot ones, remap and go for some good flow (In and out)...
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Re: EFI to 904?
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Joined: Jun 2009
Posts: 3,995 Likes: 10
Loquacious
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Loquacious
Joined: Jun 2009
Posts: 3,995 Likes: 10 |
Quote:
Thanks for that too. I'm looking mostly to improve two up touring rather than outright top speed.
Whilst I do use it as an all round bike at present, a bit more urge would be an advantage when loaded up.
I'd hang on a bit if you can Al.
Thanassis has said over on the "other bikes" section he has been told the new 1200 cruiser will have twin shocks so there's a chance it'll be bigger than the spy pictures.I live in hope it'll be more America than Bobber.
Dinosaur.
"Oh Man I only ride 'em.I don't know what makes 'em work". Donald "Oddball" Sutherland
"Don't let the bastards get you down". Kris Kristofferson
"I am only paranoid because everyone is against me". Larry [Frank Burns] Linville
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Re: EFI to 904?
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Joined: Jun 2010
Posts: 1,193 Likes: 22
Learned Hand
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OP
Learned Hand
Joined: Jun 2010
Posts: 1,193 Likes: 22 |
Yep, I'm hanging on...but not intending to part with my LT if I can help it.
Trouble is I can't seem to sell my HD Switchback.... even well under price....been 3 times on eBay now....so I need a plan B.
I took the Road Less Travelled.
Now where the ****** am I?
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Re: EFI to 904?
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Joined: Sep 2007
Posts: 198 Likes: 1
Adjunct
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Adjunct
Joined: Sep 2007
Posts: 198 Likes: 1 |
Alatamoc, not sure how far you want to go with regards to modding your LT, but if you're looking for more mid range torque our EFI Stage 1 Torque Induction Kit will give you around 17% more mid range torque with TORS fitted. It'll also give around 8% more top end power which is handy to have.
Last edited by PieMan; 05/30/2017 8:14 AM.
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Re: EFI to 904?
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Joined: Feb 2008
Posts: 2,671 Likes: 15
Loquacious
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Loquacious
Joined: Feb 2008
Posts: 2,671 Likes: 15 |
If it were mine, I would do what PieMan suggested...
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Re: EFI to 904?
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Joined: Jun 2010
Posts: 1,193 Likes: 22
Learned Hand
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OP
Learned Hand
Joined: Jun 2010
Posts: 1,193 Likes: 22 |
Quote:
Alatamoc, not sure how far you want to go with regards to modding your LT, but if you're looking for more mid range torque our EFI Stage 1 Torque Induction Kit will give you around 17% more mid range torque with TORS fitted. It'll alsgo give around 8% more top end power which is handy to have.
Thank you... I may well be giving you a call in due course......just sold my Switchback today so that's one less impediment to my parting with dosh.
What I'll probably do is to see how our two up tour of Southern Scotland goes in a month or so....if as I suspect...I'm wanting more grunt I'll sort it then
I took the Road Less Travelled.
Now where the ****** am I?
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Re: EFI to 904?
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Joined: May 2017
Posts: 15
Complete Newb
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Complete Newb
Joined: May 2017
Posts: 15 |
i too am hoping to see a 1200 cruiser, getting older + a lighter but peppy speedmaster would be great
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Re: EFI to 904?
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Joined: Sep 2007
Posts: 198 Likes: 1
Adjunct
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Adjunct
Joined: Sep 2007
Posts: 198 Likes: 1 |
Quote:
What I'll probably do is to see how our two up tour of Southern Scotland goes in a month or so....
Have an enjoyable tour.
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Re: EFI to 904?
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Joined: Jun 2010
Posts: 1,193 Likes: 22
Learned Hand
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OP
Learned Hand
Joined: Jun 2010
Posts: 1,193 Likes: 22 |
I took the Road Less Travelled.
Now where the ****** am I?
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