Very nice work, but what about the other side?
Very nice work, but what about the other side?
"Instructions are just the manufacturers opinion on how to install it" Tim Taylor of "Tool Time"
Saying what we think gives us a wider conversational range than saying what we know. - Cullen Hightower
1st 2nd 3rd FXR 4 stroke, I wasn't expecting it, but it looks like, when faced with skilled 4-stroke riders a 2-strokes HP advantage even on a long track is not as much of an asset as one would have thought........... bugger.
So us 2-strokers will have to draw on all the resources available and keep sharing what we find out and how we are going about making our mods in the hope someone will get enough shit together to make it interesting for the 4-stroke boys next year...........![]()
FXR's are awesome, no doubt.
But don't be too discouraged, the fastest rider in Wellington is on a 2 stroker. If he makes it to Taupo for buckets that would be real interesting.
So like you say, it's not so much 2 vs 4 or how much HP, it's the quality of the rider, and Wellington has the best riders.
Hi TZ ,a while back you put up a RG50 dyno sheet with 14 HP,good going for a RG50,did you have the STD inlet like my one reed,piston port,have put up a dyno sheet for my bike with STD inlet and about 150 deg on inlet ports and could be 24mm or 28mm carb ? was done in 1996.would still be a good kart track motor but needs 2-3 hp for a big track,also put up photos of some suzuki 100cc-125cc works bikes fom 1978.mybe how the GP100-125 got their name,but as you can see they are light years ahead of the road bikes.were made in 100cc and 125 and raced in the indonesian GP,also yamaha made a TZ100-125 for the same race.note on the GP100 motor mag is on top of the clutch cover.PS could you put up the dyno sheet for your 14hp RG50,thanks,what do you charge per hour for the dyno.
Hi RMS eng
Thanks for the photos, in the first photo what do you think that is on top of the cylinder where the carb usually is?
Yes I think our GP's were roadbikes styled after the 60's racing machines.
The 50 has the original (heavily modified) reed piston port layout, 160 duration I think. Not much has been left untouched in the cylinder, head or cases. Chamber and engine layout/design came from a friend in Holland, and it makes its power about 13-14,000 rpm. I completely burnt out a clutch at Mt Welly last time I rode it there.
I am sorry but we can't afford to run the dyno commercially as its too disruptive to the workshop and office during the day and I am limited in the amount of hobby time I can spend after hours at work.
TeeZee
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Sure its a 4-Stroke, but a serious bit of kit, well worth a look and for the money it's a steal......
http://www.motorbikeparts.co.nz/prod...product_id=719
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