Will I get my 100 ready in time for Taupo?

[F5 Dave]

The factory being Jawa Motokov perhaps

[RMS eng]

The factory being Jawa Motokov perhaps

maybe the sponge Bob factory, Nice

[F5 Dave]

Well I've knocked some holes in it, next to enlarge 2 for the dowels. Then check the chamber volume as it was made slightly smaller than a template to be sure.


Then I'd better hit the corners with a file

[jasonu]

maybe the sponge Bob factory, Nice

I was thinking more like the Affro Engineering Company...

[F5 Dave]

Well I machined the holes & Mill cut some dowel holes that hopefully line up with the barrel. I'll compare head volumes on the bench one head to the other & adjust from there & it should be plug & play.

My proximity switches for the quickshifter showed up today, I've already loomed it to the main loom so its another connector & a bracket & that will be fitted if I can find a nice posi that it won't get clouted. Then I can turn it off & on in SW if it works.

[F5 Dave]

ok happy? I even filed the sharp edges. If I was really keen I'd have devconed the shape uniform & engraved HRCCGGF on the side (HRC can go get F'd).

Actually in my haste I have forgotten to test for seal, but that will just be 2 blanked off bits of hose, one with a schrader valve to pump it up & dump in some water, I have those bits from testing my 500.

Also the head bolt nuts that were shortened for the skimmed head are now too short so I'll run std ones, but I might have to ruin my paint job by recessing the holes a couple of mm to be sure they have heaps of thread. The head is covered in like 7mm plate ally. I could have gone skinny ally but having some thermal mass is a good idea for a head as I have found in previous efforts on my old MB50 when I got too greedy on weight savings.

[RMS eng]

[QUOTE=F5 Dave;1130573440]ok happy? I even filed the sharp edges. If I was really keen I'd have devconed the shape uniform & engraved HRCCGGF on the side (HRC can go get F'd).

Actually in my haste I have forgotten to test for seal, but that will just be 2 blanked off bits of hose, one with a schrader valve to pump it up & dump in some water, I have those bits from testing my 500.

Also the head bolt nuts that were shortened for the skimmed head are now too short so I'll run std ones, but I might have to ruin my paint job by recessing the holes a couple of mm to be sure they have heaps of thread. The head is covered in like 7mm plate ally. I could have gone skinny ally but having some thermal mass is a good idea for a head as I have found in previous efforts on my old MB50 when I got too greedy on weight savings.[/QUOT
thats a works bike trick to paint things black so they look like a stock part?.suzuki in the 70s painted the alloy swingarms on their mx works bikes to look like a stock steel arm.Dave i will put up a photo of my RG80 motor that i want to sell and you can go to town on it.

[F5 Dave]

Well won't crow too loud, it leaks like a sieve. Devcon I used was quite old so maybe too old. Might have to try get it apart & start again Que some localised heat. Sod.

[F5 Dave]

Well I knocked it apart after some strategic propane torch application on the joints. Course it may have been helped by the fact I cured the paint off at 50* in the oven. But forgot to remove it. Then the wiff turned the oven on to warm it for dinner. Maybe the Devcon didn't like 200odd degrees. Sure stunk out the kitchen

But it was pretty old stuff that I had to soften in front of the fan heater.

I've started the gluing process again in stages using JB Weld that is a whole lot newer.

[jasonu]

[QUOTE=F5 Dave;1130576098]Well I knocked it apart after some strategic propane torch application on the joints. Course it may have been helped by the fact I cured the paint off at 50* in the oven. But forgot to remove it. Then the wiff turned the oven on to warm it for dinner. Maybe the Devcon didn't like 200odd degrees. Sure stunk out the kitchen

QUOTE]

Now THAT is some funny shit!!!

[Moooools]

Well I knocked it apart after some strategic propane torch application on the joints. Course it may have been helped by the fact I cured the paint off at 50* in the oven. But forgot to remove it. Then the wiff turned the oven on to warm it for dinner. Maybe the Devcon didn't like 200odd degrees. Sure stunk out the kitchen

But it was pretty old stuff that I had to soften in front of the fan heater.

I've started the gluing process again in stages using JB Weld that is a whole lot newer.

Reminds me of some guys who had a very leaky custom engine so the night before the race they painted the whole lot in high temp epoxy and stuck it in the oven to cure (at the motel they were staying at in aus). But someone forgot about it and ended up burning all of the resin and stinking out the motel with the smell of burnt plastic. They still let us stay there, although thankfully no more custom engine.

[F5 Dave]

Well its back together & gave me time to have a 2nd look at how to do it. I spread goop around the mounting hole bosses (with spacers) as leaks there can't be fixed & then in the next stage of epoxying, turned the head upside down so goop would flow down hopefully sealing those unions. I roughed up some of the ally as the clear chromate doesn't stick too well it seems.

I also put it in a box in the bedroom in front of the heater to cure. Warned the wife about it & again in the morning but she still tripped over it.

[mr bucketracer]

maybe buy your old engine back and use it as a hunderd instead of a fifty this time
http://www.trademe.co.nz/motors/moto...-612308138.htm

[F5 Dave]

Nothing to do with me, Chris made that many moons ago, he'd shown me it in his garage a ways back when. To be honest, at the time set up right it would have been a pretty sensible bike, forerunner of Diprose Derbis. Giving away 20cc it won't be easy to be a front runner now, but keep a mild FXR honest, for sure.

[F5 Dave]

Well I've run some chemweld through it & it seems water tight now. Measure the com & it was as I'd planned; a bit high, so another tickle to correct squish & take some more out of the bowl & its where it should be. Pretty high, but I'm losing a bit in the rings so might as well squash what I have left a fair deal. I'll trial less comm later with another head.

Started up & I found some leaks, this time seemingly the hoses, but also the water pump. The adaptors I'd turned up to go from std rad hose size to the pump, which is a teeny 10mm, well I'd chosen Acetal as it was to hand & easy machine. Of course its pretty slippery stuff & didn't want to glue that well it seems. I went & bought some Plastic toy glue which states it covers nearly all plastics & also metal. Couldn't find any other plastic tube scraps so I might just make some ally ones & glue that.

Det sensor needs to be bolted on head & the loom for it (re) made. Quick shifter needs a bracket. Whether I get around to either of these I'm uncertain, have to concentrate on what I need to race on sunday.