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RD500LC vs YZF R6

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shaun_04
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Joined: 06 Aug 2005
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PostPosted: 17:04 - 14 Sep 2008    Post subject: RD500LC vs YZF R6 Reply with quote
In a straight line how would a RD500LC compare to an R6, firstly a carbed model a few years old, and a more recent fuel injection model?
Opinions from people with experience of the LC please, rather than people just speculating.
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ms51ves3
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PostPosted: 17:06 - 14 Sep 2008    Post subject: Reply with quote
Powerwise the RD is down by about 10hp on the carbed models so with a fuel injection bike the RD would have no chance.

I would say that the R6 would win, whichever model it was.
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Ben.
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PostPosted: 17:30 - 14 Sep 2008    Post subject: Reply with quote
r6 would wipe the floor with an rd
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mr jamez
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PostPosted: 18:03 - 14 Sep 2008    Post subject: Reply with quote
Yeah its faster, but nowhere near as fun or cool.
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MarJay
But it's British!



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PostPosted: 18:36 - 14 Sep 2008    Post subject: Re: RD500LC vs YZF R6 Reply with quote
shaun_04 wrote:
In a straight line how would a RD500LC compare to an R6, firstly a carbed model a few years old, and a more recent fuel injection model?
Opinions from people with experience of the LC please, rather than people just speculating.


Was reading a review of a 500LC recently... there is one in RiDE mag last month. It basically says that an R6 would eat the RD for breakfast but if you want a piece of two stroke history, the RD is the bike to have. They are however incredibly expensive to buy and run mainly because of the rarity. You're better off buying a 350 YPVS if you want an old two stroke (I did).
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shaun_04
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PostPosted: 20:44 - 14 Sep 2008    Post subject: Re: RD500LC vs YZF R6 Reply with quote
MarJay wrote:
You're better off buying a 350 YPVS if you want an old two stroke (I did).


I just sold my 350 YPVS a few months ago.
I wasn't thinking about buying a 500LC, it was just out of interest.
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Fawbish
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PostPosted: 08:00 - 15 Sep 2008    Post subject: Reply with quote
BLUEX5 wrote:


However this doesn't change the fact that an R6 is just another inline four 4T 600 so is about as cool as a pair of pink flares.





Pink flares ARE fuckin' cool!
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MarJay
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PostPosted: 08:14 - 15 Sep 2008    Post subject: Reply with quote
BLUEX5 wrote:
However this doesn't change the fact that an R6 is just another inline four 4T 600 so is about as cool as a pair of pink flares.


This one is cooler, but probably only as cool as Orange flares... Smile
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Smooth
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PostPosted: 10:02 - 15 Sep 2008    Post subject: Reply with quote
what are RD350 YPVS' like to ride?

I remember seeing a few of them about when I was a kid and wondered how they compare to a modern commuter like my ER-5?
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Smooth
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PostPosted: 10:50 - 15 Sep 2008    Post subject: Reply with quote
BLUEX5 wrote:
A good standard one will slaughter an ER5.


Genuinely and without nostalgia? The power output isn't that different is it? I don't know how the weight compares


Quote:

The power delivery will make the ER5 feel like sloppy custard however.


I'd imagine the RD350 to be fierce when it gets into the powerband, with a good whiff of 2 stroke, but a bit sluggish beforehand, non?

The ER5 being completely the opposite -torquey with little at the top end.
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Knacker
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PostPosted: 11:56 - 15 Sep 2008    Post subject: Reply with quote
Sorry R6/1 fanyboyos but check this out

https://www.youtube.com/watch?v=zPOoYgnn3l0

Mr. Green Thumbs Up
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MarJay
But it's British!



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PostPosted: 13:02 - 15 Sep 2008    Post subject: Reply with quote
MC Bodge wrote:

The ER5 being completely the opposite -torquey with little at the top end.


Is that not the definition of sloppy custard? Smile

The weight is the real factor. I think the RD weighs in at something like 160kg wet, and the ER-5 weighs something like 180kg dry. Add 20kg or so for oil, fuel, coolant, battery etc and you've got a 200kg 50bhp bike.

The RD will be a 160kg 50bhp bike.
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ms51ves3
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PostPosted: 14:38 - 15 Sep 2008    Post subject: Reply with quote
MarJay wrote:
MC Bodge wrote:

The ER5 being completely the opposite -torquey with little at the top end.


Is that not the definition of sloppy custard? Smile

The weight is the real factor. I think the RD weighs in at something like 160kg wet, and the ER-5 weighs something like 180kg dry. Add 20kg or so for oil, fuel, coolant, battery etc and you've got a 200kg 50bhp bike.

The RD will be a 160kg 50bhp bike.


Then I pull out my TZR250, 140kg wet and 50hp Cool Om nom nom
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MarJay
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PostPosted: 14:59 - 15 Sep 2008    Post subject: Reply with quote
ms51ves3 wrote:

Then I pull out my TZR250, 140kg wet and 50hp Cool Om nom nom


50hp on paper with a following wind. My bike makes 60bhp on paper... so by now 50bhp is achievable. I suspect your TZR is closer to 40bhp.
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ms51ves3
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PostPosted: 15:41 - 15 Sep 2008    Post subject: Reply with quote
MarJay wrote:
ms51ves3 wrote:

Then I pull out my TZR250, 140kg wet and 50hp Cool Om nom nom


50hp on paper with a following wind. My bike makes 60bhp on paper... so by now 50bhp is achievable. I suspect your TZR is closer to 40bhp.


My TZR has only done 6,000 miles though. I'd say it's still quite close to it's original 50hp. Will bung it on a Dyno once I've got it back on the road with the powervalve connected and disconnected.
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Kickstart
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PostPosted: 15:54 - 15 Sep 2008    Post subject: Reply with quote
Hi

TZR250 was 45hp in the road tests. Think the RD was about 55 in reality. TZR was 128kg dry weight claimed while the RD was 148kg dry. So assume a 10 stone rider and 10kg of coolant / oil / petrol and that is a power to weight ratio of 0.223 bhp/kg for the TZR and .249 bhp/kg for the RD.

All the best

Keith
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MarJay
But it's British!



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PostPosted: 15:57 - 15 Sep 2008    Post subject: Reply with quote
ms51ves3 wrote:

My TZR has only done 6,000 miles though. I'd say it's still quite close to it's original 50hp. Will bung it on a Dyno once I've got it back on the road with the powervalve connected and disconnected.


50bhp was quoted in the days when manufacturers got away with inflated power claims for their bikes.

Here is a dyno graph of a highly tuned TZR, tuned by TZR250 specialists Road and Track in Aylesbury:

https://www.roadandtrack.co.uk/yam_2stroke.html

You'll notice that the 'tuned' TZR makes 55bhp and that bike was the winner of a TZR250 challenge to see who could get the most power out of one.
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Remember kids, bikes aren't like lego. You can't easily take a part from one bike and then fit it to another.
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ms51ves3
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PostPosted: 16:06 - 15 Sep 2008    Post subject: Reply with quote
MarJay wrote:
ms51ves3 wrote:

My TZR has only done 6,000 miles though. I'd say it's still quite close to it's original 50hp. Will bung it on a Dyno once I've got it back on the road with the powervalve connected and disconnected.


50bhp was quoted in the days when manufacturers got away with inflated power claims for their bikes.

Here is a dyno graph of a highly tuned TZR, tuned by TZR250 specialists Road and Track in Aylesbury:

https://www.roadandtrack.co.uk/yam_2stroke.html

You'll notice that the 'tuned' TZR makes 55bhp and that bike was the winner of a TZR250 challenge to see who could get the most power out of one.


I feel cheated Crying or Very sad Twisted Evil
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triple rider
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PostPosted: 20:24 - 15 Sep 2008    Post subject: Reply with quote
Had an RD 500 in `86 to `89 done it up in luminous marlboro colours,cool bike wish i kept it but i think it was as quick as r6 off the mark if not quicker but not in top end...but got 150 easily..but maybe thats just the rose coloured specs...lol....traded it for gsxr 1100 k plenty faster in straight line anyway..but not so good round the corners. Surprised
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daz_d_biker
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PostPosted: 21:52 - 15 Sep 2008    Post subject: Reply with quote
R6's can't do this-

https://bikechatforums.com/files/23062008316.jpg

that's my dads by the way.... pics on demand Very Happy

Daz...
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chris-red
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PostPosted: 22:01 - 15 Sep 2008    Post subject: Reply with quote
That is hella cool, it is now my new background. Laughing
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MarJay
But it's British!



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PostPosted: 22:29 - 15 Sep 2008    Post subject: Reply with quote
daz_d_biker wrote:

that's my dads by the way.... pics on demand Very Happy

Daz...


How come your Dad took his shiney bike to a Brazilian shanty town just outside Sao Paolo?
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