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-   -   Ultra gravel-traveller. RC8ed Adv-S... (http://www.advrider.com/forums/showthread.php?t=584482)

LocuL 05-29-2010 06:37 PM

Ultra gravel-traveller. RC8Red Adv-S...
 
Hi

Im in the mood for changes and economy is with me.

Its an old dream ive been hagling around with.

It starts with my 530exc is offroading very much. The ours are growing quickly and im getting better and better. I dont get to use the 950 for offroad as much. My divorce made it possible for me to travel again and the lust for adventures on the steed is strong. I have had a good eye for the FJR1300 for fast, light, single travel. But the thought about i couldnt travel offroad made me dump the idea.
Then i thought it could be great fun to build an offroad FJR. My thoughts are fast on the tarmac and smooth on the gravel. I have allways dreamed of having more power to travel fast on the highways.
Plans/ideas are:
1: RC8(R) engine(EFI)
2: Touratech tanks front and 2x10l back.
3: Giantloop, hennesyhammock, jetboil....ultralight.
4: 320mm front/rear rally suspensionmod.

I know a lot would ask if the engine doesnt punch enough and sure it does. But ive been riding the bike for a LONG time now and would like to make som exciting changes.

QUestions are:
1: Does anyone have any idea if the engine could drop in with or without minor efforts. My maine concern is at the swingarm.
2: How is the gearing? Can i get the transmission to work at less speed(i do not need to trial the bike)?
3: Which kind of mileage can expect from the rc8?

Any concerns or thoughts about the project, please write it.

Im well aware that the project wont come easy and it doesnt need to. I will be going to ISAF later next year.


Regards
Mikael
Denmark

mookymoo 05-29-2010 06:56 PM

The big sump at the front & bottom of the RC8 might be an issue ...

http://www.motorcycle-usa.com/PhotoG..._RC8_motor.jpg

HWSNBN 05-29-2010 07:00 PM

If I was just divorced, I'd not waste my time wrenching when I would pick up a perfectly good 950 and hit South America with a handful of dollars and a boxful of condoms... just sayin'

Blue&Yellow 05-29-2010 07:09 PM

Quote:

Originally Posted by HWSNBN
If I was just divorced, I'd not waste my time wrenching when I would pick up a perfectly good 950 and hit South America with a handful of dollars and a boxful of condoms... just sayin'

I like your way of thinking... I'm in Brazil right now there certainly isn't any lack of exiting... adventures... to be had if I put it like that. :D

Certainly much more exiting than taking something that works well (like a 950) and making into something else. Life is short, no point in reinventing the wheel.

LocuL 05-30-2010 02:20 AM

NJaaaa...

First of all we all got different ways to handle stuff like what im going through.
Second i wouldnt be going to South America, i need to travel way more in the scandinavien. I like the mentality and it isnt stupid warm.
Third is that i love to wrench and make my own stuff even better.

What it lacks in exciting adventures, im getting that in the green zone Helmand.

Keep it rolling

mousitsas 05-30-2010 02:47 AM

Quote:

Originally Posted by Locul@hotmail.com
NJaaaa...

First of all we all got different ways to handle stuff like what im going through.
Second i wouldnt be going to South America, i need to travel way more in the scandinavien. I like the mentality and it isnt stupid warm.
Third is that i love to wrench and make my own stuff even better.

What it lacks in exciting adventures, im getting that in the green zone Helmand.

Keep it rolling

I would first see what I can do with the existing 950/990 engine before a transplant.
You can easily get 100hp on the back wheel on this engine. There is a member here claiming 130hp on his SE (powercell). I also think that 150bhp is not what this frame, suspension, swingarm etc are made for. Just have a look at how different the swingarms between the 950 and RC8 are.
Anyway, all i am trying to say, is that a pair of FCR carbs plus a well sorted exhaust system and fueling will be more fun, more useful and cheaper than going big.

LocuL 05-30-2010 01:41 PM

I really dont think that the swingarm should be in trouble with 150hp. When the the swingarm gives in its because you have been offroading and jumping the big pig. Ofcourse my thoughts.

DirtyADV 05-30-2010 08:48 PM

Quote:

Originally Posted by Locul@hotmail.com
I really dont think that the swingarm should be in trouble with 150hp. When the the swingarm gives in its because you have been offroading and jumping the big pig. Ofcourse my thoughts.

U should know ...didn't u manage to break yours once already?

/Johan

Gimme 2 05-30-2010 10:14 PM

I admire your needs ..

But if your worried about mileage at speeds which i rekon i know you want to travel at:lol3 you lookin at around 200 i rekon, maybe less, the sp1 gets around 160 at full throttle.

I know they are'nt in the same league but my 990 adv s with map get's about 180 k's before the fuel light goes on when i'm heavy on it.

Why not just bomb a 950/990 put safari tanks on it a gpr single system for even more room for fuel or a turbo:lol3
Or fit a duke r motor in it:evil.

Best wishes on this one:thumbup

LocuL 05-30-2010 11:12 PM

Quote:

Originally Posted by Dirty950
U should know ...didn't u manage to break yours once already?

/Johan

yep


:evil

azdrhill 06-05-2010 02:47 PM

Spot on!
 
Quote:

Originally Posted by mousitsas
I would first see what I can do with the existing 950/990 engine before a transplant.
You can easily get 100hp on the back wheel on this engine. There is a member here claiming 130hp on his SE (powercell). I also think that 150bhp is not what this frame, suspension, swingarm etc are made for. Just have a look at how different the swingarms between the 950 and RC8 are.
Anyway, all i am trying to say, is that a pair of FCR carbs plus a well sorted exhaust system and fueling will be more fun, more useful and cheaper than going big.

I just put a pair of 39 FCR's on my bike and (while I'm still breaking it in) they f'n ROCK! That combined with the Aqualine tanks - I can go like a bat outta hell for twice as long as with the stock tanks. BTW - I am running Remus Ti cans too. I looked into the RC8 stuff while my engine was being rebuilt - and decided it was too top end oriented and cammy for an offroad bike. That's why I got the 39 FCR's and not the 41's. Pick yer poison for your riding style and environment...

StevenD 06-06-2010 03:08 AM

1000cc bore, superduke heads and that topped with fcrs would be the bomb, way better then a rc8 engine transplant i guess.
That with a custom and calculated exhaust system would get you a completely diffrent bike.

BikePilot 06-06-2010 04:33 AM

You might check to see if the RC8 crank, pistons, cylinders and heads could be fitted to your cases/bottom end. I quite like the idea. I doubt fuel consumption would be any worse than the carb'd 950 provided you get the mapping dialed in pretty well.

StevenD 06-07-2010 01:37 AM

that will not fit. the rc8 guts are quite diffrent from ours.

LocuL 07-04-2010 09:48 AM

Not that im any nearer the project but something got aside this day.

It is possible to mount the engine. The images is from Robie Peterson(hillclimber). As you see its a LC8 frame without to much touchup...

http://locul.smugmug.com/Other/ROD/I...46_UcaiG-L.jpg


http://locul.smugmug.com/Other/ROD/I...69_fHFki-L.jpg

This is very good information.


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