Bucket rules (or lack, thereof)?

[gatch]

can you use the frount 120 in a 4" rear rim ???
that is the question
or where can you get a slick to fit a 4"rim (same as modern rs125's ???)

Karl M has plenty of frount tires

If there was such thing as a 130, it might work. Recommended rim size for dunlops 120 section super moto slicks is 3.5-3.75 wide.

I wonder if going with a higher (say 70 ?) profile tire for the rear may be a go.

[Yow Ling]

Just fit it and see how it goes, there are so many wrong fits on buckets that all seem to work. 120 superbike fronts on fxr rears, 95's on fxr rears all seem to work. Unless you are Rossi fast on your first day it isnt going to make much difference

[gatch]

Just fit it and see how it goes, there are so many wrong fits on buckets that all seem to work. 120 superbike fronts on fxr rears, 95's on fxr rears all seem to work. Unless you are Rossi fast on your first day it isnt going to make much difference

Yeah fair call. To be honest I'll probably kick around on the sport demons that are on there for a while, the rear one is almost brand new ha.

I'm such a spaz on a bike I probably won't make it out of B grade anyway..

[gatch]

I realize there must be a reason for 17" wheels being preferred over 18" on bike. All the manufacturers seems to favor them. I imagine it would have something to do with gyroscopic effect, less rotating mass etc.

My question is, how much better ? I mean If I could get my hands on some nice light 18" rims/race tires, would they be comparable to say the heavy standard alloy rims with a race slick ?

Just spit-balling here, no money is being changed hands etc. Just trying to explore my options for a my bucket project..

It's just I know there is Heidenau race tires available for 18" rims for $200 buck or so brand new. These being similar compound (so I'm told) to the Avon's that are on the Norton that I'm racing in the NZCMRR. I like these tires, they are sticky when they are cold..

[Henk]

Main reason for 17 inch rims is that you can run second hand 125 slicks. Sticky as at around $100 a pair. On a bucket a set will last most of a season if not longer.

[F5 Dave]

Nothing will compare to slicks, even old 2nd hand ones that a self respecting 125 rider would spurn. 18's are dead baby.

[Buckets4Me]

http://www.trademe.co.nz/Trade-Me-Mo...-316819503.htm



there ya go

[gatch]

http://www.trademe.co.nz/Trade-Me-Mo...-316819503.htm



there ya go

Thank you for that Buckets4me !

I know now that vtr rims are the good size for 120 section slicks.. Should be a piece of cake to find some at a wrecker somewhere a bit closer.

[Bert]

pop down and see Pete at Total motorcycles (pays to ring him first). he had a sh!t load of 17" last time I was down there. he's also a ex bucket racer (actually still has his/chris's rg50 framed xl sitting there in all its glory) and knows the game and is always interested in in what's going on and different bike builds...

[gatch]

pop down and see Pete at Total motorcycles (pays to ring him first). he had a sh!t load of 17" last time I was down there. he's also a ex bucket racer (actually still has his/chris's rg50 framed xl sitting there in all its glory) and knows the game and is always interested in in what's going on and different bike builds...

That's Pete Sales yes ? Yeah I know where he is.

After seeing the vtr wheel on tardme I had a look at what else is around. There is heaps of 250s that had 3.5in rims on them.. I would have thought they would be bigger or smaller than that but hey, I learned something.

[Bert]

yip. Pete Sales.

The VTR rim is quite a nice weight. I picked up a front from Pete, significantly lighter than stock FXR front (also a little bigger 2.25/2.5 i think??). the rear is also lighter then stock..

Basically all the Honda/yamaha 250 rims (vtr,cbr,fzr,tzr etc) are similar in sizes, so there are plenty of options around..

[gatch]

Got a bit of spare time in the workshop today. Couldn't find any 1/2" assab so experimented with some 3/8. I ground up the "broach" like i said, ie radius and relief the length of it. Scallop the ends so only the very edges are protruding.

Drilled a 10mm hole in an experimental piece of 6mm ally. Put it in the press and pushed the broach through no sweat. I think the only improvements I could make is to grind the scallop in further, to effectively increase the rake angle of the tool. As ally loves a good 30 degree or so rake when cutting..

Otherwise I think I'm onto a winner here.

Will track down a bit of 1/2" assab soon and grind up a nice one. Will attempt to post a pic.

[gatch]

Jeez it's been some time..

After the weekends h00ning at kaitoke I'm all fired up to get my spada rolling.

Found a GL145 on trademe in bits, needs bearings, seals, exhaust and carb.

Started making some clevis joints for folding foots pegs today. They will pretty much be unbreakable I think.

[TZ350]

Drilled a 10mm hole in an experimental piece of 6mm ally. Put it in the press and pushed the broach through no sweat. I think the only improvements I could make is to grind the scallop in further, to effectively increase the rake angle of the tool. As ally loves a good 30 degree or so rake when cutting..

Very clever, I like it............

[all4A50s]

Jeez it's been some time..

After the weekends h00ning at kaitoke I'm all fired up to get my spada rolling.

Found a GL145 on trademe in bits, needs bearings, seals, exhaust and carb.

Started making some clevis joints for folding foots pegs today. They will pretty much be unbreakable I think.

say after me cbr cbr