My modded rd400

tentman · L Plate Warrior Joined: 16 Dec 2008 Karma :

CRF_Rider · Spanner Monkey Joined: 07 Nov 2008 Karma :

the back end looks a bit too jacked up for me but apart from that it looks really good
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Previous: Yam TY250 x2, Gas Gas TXT 200, Sherco 290, Suzuki TS 50,Honda CG 125, Yam SR250, Suzuki DR-Z400E, Yamaha YZF R6 112rwbhp

Knacker · World Chat Champion Joined: 31 Mar 2008 Karma :

Looks like you done a great job looks good

Dunno about the backend though otherwise awsome Thumbs Up

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alun111 · World Chat Champion Joined: 31 May 2007 Karma :

Interesting place to mount the "rear" shock! Also... are the exhausts coming out the back of the engine?
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Knacker · World Chat Champion Joined: 31 Mar 2008 Karma :

tentman · L Plate Warrior Joined: 16 Dec 2008 Karma :

Im not totally up for the rear end, think im going to turn the pipes upside down which will lower the end cans, make them a bit flatter. I also think im going to get rid of all the plastics and put straight bars on the front. Ill have to just go to a local breakers and try new rear plastics etc to see what will fit.

All that isnt so important, whats important is all the great one of stuff thats been made for this bike and how it handles, which is mad. We recon its making about 55-60 bhp as it all polished and ported etc. Not bad when the 400 only had 40 when Yamaha produced it.

Regards

Gary

NSR Mick · World Chat Champion Joined: 26 Jun 2005 Karma :

Now that's a real project unlike the bikes that people think are projects because they have a load of bolt on tat added. Thumbs Up

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chris-red · Have you considered a TDM? Joined: 21 Sep 2005 Karma :

I agree about the rear end, a set of USD forks would look the tits.

What sort of power is it putting out?

How does the rear suspention work?
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Thom · World Chat Champion Joined: 24 Oct 2007 Karma :

The rear end is not very nice at all, just a bit too high otherwise it might look ok, i'd also have the end of the cans cut back so they dont protrude past the seat line, maybe just the ends of them but no more.

But saying that, the bike is possibly the best project i've seen on here.

Very nice! Thumbs Up

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Fahd · World Chat Champion Joined: 17 Jan 2006 Karma :

I actually just came in my pants...

Please don't get rid of the fairings, they look amazing and it's the ultimate RS sleeper. What did you get the rear-end off of?

Can I have a go? Mr. Green

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chris1-4-7 · Renault 5 Driver Joined: 21 Dec 2006 Karma :

Now that is what i call engineering!
Were the hell did you start Laughing

Those reverse cylinders also benefit the engine performance wise i bet. As the thrust side of the piston is now acting on the other side of the barrell meaning better engine life and compression??

ms51ves3 · Super Spammer Joined: 08 Jun 2007 Karma :

NSR Mick · World Chat Champion Joined: 26 Jun 2005 Karma :

ms51ves3 · Super Spammer Joined: 08 Jun 2007 Karma :

NSR Mick · World Chat Champion Joined: 26 Jun 2005 Karma :

Wafer_Thin_Ham · Super Spammer Joined: 18 Nov 2005 Karma :

I know it's ben said, but it's mint apart from the tail. It's at completely the wrong angle. Bring it straighter so that if you extend a line from the top of the tank it would line up with the top of the tail. Thumbs Up

Just seen this thread:
[url]
https://www.irishbikerforum.com/forums/lofiversion/index.php/t69200.html[/url]

that cost you £1600!! BARGAIN!
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tentman · L Plate Warrior Joined: 16 Dec 2008 Karma :

Hi again, just put everyone straight i didnt do this but i will start to change some of the bike as i own it for longer.

Re were the guy started, he took a nice basic old matching numbers rd400 and turned it into a cafe racer sort of (below)

https://i291.photobucket.com/albums/ll283/thetentman/paint.jpg

The insert was his first go ten years ago, he then fancied a change and had the kind of job where he could spend some time on a cad system to sort a modern frame. The first thing was to put the old frame in a jig to get the geometry right. The he cut the head off TIG weld onto the CAD steel frame. Some images below that walk you through this stage, i have to say the guy is amazing.

https://i291.photobucket.com/albums/ll283/thetentman/Copy2ofDSC00590.jpg

https://i291.photobucket.com/albums/ll283/thetentman/CopyofDSC00621.jpg

https://i291.photobucket.com/albums/ll283/thetentman/CopyofDSC00619.jpg

https://i291.photobucket.com/albums/ll283/thetentman/09ee_1.jpg

https://i291.photobucket.com/albums/ll283/thetentman/CopyofDSC00617.jpg

https://i291.photobucket.com/albums/ll283/thetentman/0a96_1-1.jpg

https://i291.photobucket.com/albums/ll283/thetentman/CopyofDSC00623.jpg

https://i291.photobucket.com/albums/ll283/thetentman/0b41_1.jpg

https://i291.photobucket.com/albums/ll283/thetentman/CopyofDSC00627.jpg

So all the angles etc are just right, I was told about 30-40 days were spent just designing the frame and getting it all ok before spending one and half days building the frame.

Ill do my best to cover the engine later as thats pretty cool turning the head round etc.

Re USD forks, ive looked at this but cost and weight come into this and yes they will look tops but it handels fine with no need of a stearing damp etc.

Rear end plastics are just cheap GRP racing plastics of a yamaha 2000 ish YZR500 GP bike.

One last thing, the gut who did all this did do most of and didnt just pay someone (a bit like me buying it of him) to do it and most of this bike was made and put together in a shed, I think thats amazing.

Gary

tentman · L Plate Warrior Joined: 16 Dec 2008 Karma :

Hi Big Ham

I didnt even see the bike in the flesh before i bought it, i new i needed it, not wanted but needed. Yes i was pretty pleased at the price, ive been offered a few quid more for it and i think it could be broken a sold for more than i paid but i dont think ill ever sell. Although my perfect bike (I like 2 strokes) is this.

https://i291.photobucket.com/albums/ll283/thetentman/8b3a_12.jpg

https://i291.photobucket.com/albums/ll283/thetentman/1eed_12.jpg

Or if not this i would like one of those 500cc 2 stroke gamma based GP reps that some people have put together. Im afraid im not bothered about classic, mint bikes. I love looking at them and i like to look at choppers, well all bikes but its modded two strokes for me!!!
Gary

NSR Mick · World Chat Champion Joined: 26 Jun 2005 Karma :

It's a nice build but I would have left it as the cafe racer. Thumbs Up

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D O G · World Chat Champion Joined: 18 Dec 2006 Karma :

craigs23 · Mr Muscle Joined: 08 Jun 2005 Karma :

RS2MATRIX · Spanner Monkey Joined: 03 Apr 2008 Karma :

Fnatic · World Chat Champion Joined: 11 May 2008 Karma :

To be fair aren't most project bolt on?

Surely then, even Craig's VFR400 Project is Bolt on?

Fair enough he replaced the fairings but it's still bolt on stuff.

D O G · World Chat Champion Joined: 18 Dec 2006 Karma :

ms51ves3 · Super Spammer Joined: 08 Jun 2007 Karma :