So got there in the end.
Couldn't help myself with the Ti fastners. Yeah I know, Titanium is not the same as high-tensile steel but I'm confident it won't be leaving the crankshaft any time soon.
Nice big box was waiting for me when I got home today, thought it had to be the 100cc engine kit, but no, was just a couple of springs. Speaking of which I finally got around to ordering a bunch of OEM NF4 bits and pieces from http://www.tsrworldwide.com/ These guys are based in the Netherlands, they list their prices in Japanese Yen and you pay in euros. Toru (very traditional Dutch name) was great to deal with, prices were fair, shipping was very reasonable and fast. Look them up if you need RS or NSR parts.
The 100. (Man this thing is going to upset people but its all compliant with the rules so who cares)
I was going to take advantage of the crazy new capacity rule and go straight to 110cc, but once I slowed down and read the mess which are our rules I realised I couldn't just bolt up a 110cc motor, you have to rebore your 100 to 110ccSo what the hell I'll start with a 50mm bore. I'll be down 3hp (that's right Husa 3hp
) but I can always bore it out if it becomes an issue.
One advantage of the 100cc is that I have an open carb size, so why not go for the biggest size that fits the KE bottom end set up.
Shortened, plus switchable powerjet added of course.
Build details to follow. Make that bolt it up details to follow![]()
What was stopping you doing what you are now doing, prior to the rule amendment? It seems your new engine will comply with the previous version of the rules, and of course the new current version. I can't see that upsetting anyone.
Can someone please save me from my ignorance here. I want to change the springs in my 93 RS125 forks. The manual (which shows a different fork setup) says to "remove the spring sheet, then slowly pull out the spring". How is this done with out breaking down the damper rod setup? i.e. The spring does not fit over the top of the damper rod.
The forks have preload and compression adjustments on the fork tops, not sure but I think this not original (the adjusters are anodised blue and gold).
all i know is the roast chicken in the picture behind the spring is making me hungry.
Thought I should follow up on this one
Rejoice air coolers because there is hope!
This is the first time I've pulled the topend since the rebuild early last year.
The piston coatings have worked a charm. This piston has done 60 odd dyno pulls, last years GP, a couple of laps of Taupo, plus the Auckland 2hr. And look at it!
Firstly the crowns ceramic coating is fully intact, the skirt coating is wearing but its mostly still there, and the biggie - no burning under the crown
I'd recommend this mod to anyone (well almost anyone)
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