Thanks to all for your help and advice 92' R100gspd with Drz400sm front end.

[costellon]

It all started when I was "gifted" an old r80rt in September that had been left out in the rain for years. I was at sea at the time and missed the mountains - so I decided that when I got ashore i'd build something that I could use on green roads and soak up all manner of miles.
I posted a few threads on here looking for parts and advice. Initially I was going to mod the RT but I found a 92' gspd frame in Germany, the Drz 400sm front end in Dublin and I just started building (after I first built myself a workshop). The only things I used from the RT were the front wheel, carbs, motor and gearbox ... I was getting low on funds and had a shinko 705 (120/80/18) and decided to use the RT wheel (until I could afford an original GS wheel). I have a 310mm disk (that'll fit the GS wheel when I get one) and spacer in the post and I'll be using the standard nissin caliper. All the other parts were purchased in late night bidding sessions on fleabay.

So, here I am after 3 months - almost finished - I hope to get a decent ride in before I head back to sea.

Thanks again to all for your help and advice.
If anyone has any questions I'll be glad to try to help.

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[Jaz Newman]

Oh man I love the front end
Can u give me details of the sizes and dimensions of the forks and yoaks

I might change mine as well

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[costellon]

They're 47mm SHOWA forks, with adjustable rebound & compression - fork travel: 260mm / 10.2". Length of fork from top to wheel spindle: 92.5cm. The geometry is spot on with the 18" wheel and 120/80 tyre - front wheel is 1cm off the ground when it's on the center stand. I picked the forks and yokes up on "adverts.ie" for €200 delivered. The bottom yoke spindle is a little longer than the standard BMW setup and you do lose a little bit of lock as the thick forks touch the tank when fitted. I made an 8mm spacer and a "lock block" to combat this and the original DRZ steeringhead bearings fit the headstock perfectly. Also, there's a little bit of shaving to be done with the top instrument panel section (€15 secondhand) so that the top yoke clears it.
There are some lads on here that make very tasty aftermarket triple clamps that afford good lock and no need for a spacer - but they're expensive - do a search if you're interested.
Also, there's an excellent thread on advrider.com entitled "An Unholy Union V: DRZ forks on an Airhead" - but it's mainly about fitting the standard DRZ shocks - not the USD ones. Also check out another thread there entitled "My R100R thread (pic heavy)".
Cheers !

 

[Jaz Newman]

Man U got a bargain there I wished I had spotted them

But it looks awesome


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