Terry D asked me to share what the bike has had done to it so here is a video especially for him.
This is the sweet sound of a perfectly set up #RG500, well actually a stage 3, Stan Stephens tuned 570cc RG, with Mark Dent titanium pipes and ignition, Mark Dent filters, running 240 mains. Nova gearbox and dry clutch. Gsxr400 front and rear end, YSS rear shock, Koso clocks. Mark dyno'd it at about 108 bhp but I noticed the curve is really smooth, which is very different from the original Stephen's tune, which was very peaky.
This makes is much easier to deliver the power on the road.
Thanks again to Mark, for helping me out. I tried tirelessly to get the carbaration correct but something was quite right.
Now the dream has come true, at last my Rg, that I bought in 1991 for £1400, is how I've always wanted it. ♥️
Saturday morning - my first little test ride. Sweet as sweet can be. Clutch and gearbox are so smooth (once you get going - the dry clutch is very grabby from a stand still).
Wasn't able to hit the very high notes, as not the safest roads but she sang a sweet tune.
Apologies for some of the sound syncing but you get the idea.
Enjoying the pleasures of having a beautiful, fully working, perfectly tuned bike, courtesy of Mark Dent at:
Performance Fabrications.
http://www.performancefab.co.uk/
[email protected]
07831 711 079
Stage 3 race tuned
Standard carbs with 240 mains, 27.5 pilots, needle 2nd from top, pushing the Dyno at around 108 bhp.
Brembo levers and master cylinder
GSXR400 front and rear
YSS rear shock
Nova Gearbox
Nova Dry clutch
https://novaracing.co.uk/
(+44) 01403 711 312
[email protected]
Mark Dent titanium pipes, ignition, air filters and engine rebuild included:
Crank strip and Rebuild
Pistons/rings
Re-bore on a 570cc
Bearings and Oil Seals
Suzuki Genuine Gasket kit with Big Bore Gaskets
Stainless Fastener Kit
Paint
Billet Disk Covers
Billet Shift Support
Nova dry clutch
Nova gearbox
CAN'T WAIT until next Spring !!!
The story so far ...
A long, long journey, that I'll share.
I was riding a brilliant, brand new 1990 gsxr750L but I wanted an RG500.
I travelled all the way from Gloucestershire to the end of Wales to see mine. A drunk biker/hell's hooli stumbled out of the pub and pointed at this beaten up Skoal bandit RG. It was rough but cheap, I was skint and wanted one. £1400 later, I was stumbling home on this rough old dog.
As I had my superior handling gsxr so I used this to ramp around on but no matter how hard I pushed it, it wouldn't blow up. I thought, "this engine's strong'. So off I went to Stan Stephens with the intention of a do everything tune. Just 10 mins from Brand's Hatch it died. I had to wait hours for my Dad to pick me up with his trailer and went home.
Stan said get just the engine to him, so I stripped the bike and off I went back to Brand's. I remember sitting on the forecourt with Stan, as he picked bits up and put them in a box. I'd snapped a crank in half but as he picked up disc valves and the like, he kept saying, 'well that's totally f##*ed, you'll need 4 of those"
I left it with him, then returned to pick up my 570cc stage 3 raced tuned engine with Swarbrick pipes. It was around 1994 maybe and I still have the receipt, around £5500.
I got the engine back in and it was lightening. Very, very peaky and everywhere I rode it was 12000 rpm.
Massive wheelies and absolutely exhilarating. BUT 1 thing...
All that blistering speed but it handled like a shopping trolley with dodgy wheels! Wasn't long before I had a very slow speed slip. Those shitty tyres!!!
Next I took it to a custom shop in Gloucester, only for them to butcher it. Gsxr1100 front end. It was far to stiff with no alterations. They put a JMC back end but second hand. What can you expect for £1200?
They were amazed that on their dyno, it was pushing 106 bhp.
It did handle better but had top end issues, as no jetting had ever been done but still tons of fun but you always got off it with totally dead hands, all that fork vibration!!
Years went by, I moved away and it sat in Gloucestershire for 14 years, started very occasionally but was a pig to get going, obviously. Standing in a damp garage, soon the callipers seized. It was just another hoarded item then in 2016, it came to London. I contacted Mark Dent and he started the new beginning.
The engine was totally refreshed, then in January I bought a doner bike to complete my chassis.
Since about June, I've struggled with carbs and understanding how to set it up but at last, Mark kindly offered to sort everything out for me. What's pained me for weeks, he sorted in an afternoon.
So at long last, this bike is complete, my teenage dream, borrowed from the mags of 80s and 90s is now happily in my garage.
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