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Only $10 for all 2024 SX, MX, and SMX series (regularly $30).
Don't get me wrong, for the price and totally hand welded you can't beat them Chy-nah radiators.
Just had to jerk your chain on that one. Sorry.
The Shop
Stainless Excel spokes, and alloy spline drive nips. Rim builders will advise against these because they're tedious compared to traditional nips. I will say though in their defense, that if all I did was build wheels all day, I can't say I'd feel differently than they do. They also hardly stock them, and have tons of steel square nips. I get it.
Wheels: Front hub is a new 2020 (new OEM hubs are only like 200 bucks) Rear hub is the lightest use 97 I could find. Still had the little ink stamp visible. Cool, some people don't ruin their shit with Simple Green. I'd rather people just didn't wash it at all, and left it under a protective film of dirt than use Simple Green.
I had had them hard anodized Type 3 in Baltimore. Peak riots. That's another story for another time that involves an angry, ex Russian mail-order bride (USSR era) who runs an anodizing plant who needed a quick attitude adjustment nothing major, but damn... Might just price tanks and power supply
Around the time I started lacing these things in the living room (no dream killers or feed bags on premises) is when the squirrels started coming to worship my dog like a backyard deity.
You'll notice that I have one of those piece of shit outsourced Chinese stands turns out, if you throw away the rubber top, replace it with a nice piece of hardwood, slather it in Tung oil, then weld 4 high quality casters to it....it still sucks, but a lot less.
Going to do a Piranha 140 and build a small trailer for it, with a 35G water tank so I can cruise over to the spicket.
I'm using the water tank as an excuse to tell myself that "it definitely needs 25hp and beadlocker wheels"
Using one of these kill clamp jobbies, not a weight weenie, didn't weight things on a little drug scale but the goal was to stay at 214 dry, with that big cylinder, crank, piston, pipe, 120 rear tire, HPSD, skid plate. I picked up quite a bit by using a 99 subframe, lots of titanium hardware, bicycle inner tubes. I'll weigh the dry bike.
When you start polishing brake pad backs, shits gotten weird. Looks good though, took 2 minutes on a wheel. Was prob bored waiting on parts.
Mocking up the carrier and caliper. I can use the newer rear (09-13 4 stroke) or the the older rear (~88-97) with a brake line flip. I chose the older because they used a trick larger thermal polymer piston and I was able to get that piston and all the heat shielding new. If it sucks I have back up.
Anodized parts
Fork length from 97 to 19 grew 3mm. The critical measurement is from the bottom of the lower clamp to the center of the axle. So +5mm height becomes +8mm. The clamps are 2013. The keystone was a combo of bearings/cups, but it all lines up on the clamping surfaces so it's good. Lower clamp has the integrated M7 HPSD mount
NOS Tecnosel from Rinaldi I think. Took forever to get the packaging creases out.
Mando, keep up the amazing work, this is truly a treat to see come to life, as most bike builds are all about the graphics kit I put on my stock ride, “HOW SICK RIGHT?? It’s so sweet, I put graphics on it, makes it look faster cuz I need any edge on the track to give the impression I know what I’m doing.” If it looks fast standing still, itle probably stand still on the track. Your attention to detail, and period specific would even make the Japanese cult car crowd happier than a punk in a bosozuko styled car, and that you are resurrecting a timeless piece of two stroke history, I feel for those who feel this is just beyond their comprehension as to why you would pursue such a feat. The tallentless May wonder why, but those of us who actually build our own bikes, port them to our best extent, and ride what we have built, will appreciate this to no end!
To those who watch wrench rabbit ken Clark vids, please just don’t even bother, this isn’t in your realm, world, galaxy, or even dimension, the simple fact, those guys put vids out about 2 strokes is kinda lame, riding the two stroke tax wave to get views and thumbs is really, well, Amateur, no skill went into any of the builds other than suspension, the engine builds are usually stock, and are simply just a refreshed stocker (WHEEEEEEEEE SOO FAST!) and it’s the same old rigamarole, sweet graphics, a bunch of money spent in the wrong places, and paying a pro to be in your vid to get credit.
flat our amazing build, the quality and choice in parts is undeniably good, and your attention to detail is really a welcomed attribute in this day in age. If 4 strokes have shown the world of motocross anything, it’s that a bike is just a disposable unit, meant to be thrashed and tossed and on to the next latest and greatest, and this years tiny little changes that make, a bit difference, to choose a head honcho year after year for the masses to swoon over.
Simply put, “advanced” 4 strokes are still archaic in design when compared to 2 strokes, which are a marvel of technology, and the simple fact they run makes them more complex than any cam profile or throttle body Injected 4 strokes (common, my 88 Chevy 1 ton had throttle body injection ffs, HOW ADVANCED IS THAT?!?!?!?)
Only one thing, for future welding techniques, if your using mig, make it sound like fast popping pop corn or Tv static, if your welds aren’t flat, and the sound isn’t violent, your wire feed speed is too low, and your pool is cooling too quickly due to the break in current as the wire burns too quickly to maintain proper heat. That’s not even criticism, just a tip, from a guy who hung up his welding mask, and turned to a career of high voltage cable fitting
You have nothing but support from this guy, and the guys here who I have also found to be very nice individuals to talk to, your among your own kind, and judging from what I have recently posted, vs the dipshits previously that I have gotten into it with, and still will, them screenlurks are out there.
We won’t knock you one bit, and for sure, those of us who are intently reading, even if not posting, support your build 100%.
FUKKEN EH!!!
I'm not going to beg someone to take my money. I'll just use another product, because at the end of the day the "product" is my ignition curve. Meaning, if it's a Vortex telling my bike where to add/retard timing or an HPI, doesn't really matter.
"The Moto industry is drying up." Ha! The only thing drying up is the desire to deal with these people.
Either way it'll be low energy Bluetooth and wirelessly tuned. But carbureted. It's business and it's casual.
Cool thing is, if I feel like it, and I probably will, I'm just going to cut the brake hanger tab off the swingarm, drop it 10mm, use the axle and carrier as the jig. I have that caliper, carrier, and rotor sitting here. Im just going to see how this works first. If it's good, no need to cut shit up. Lots of different configurations/options. I adhered to the strategy of buying everything and sorting it out later.
So much so, there is an 05+ version of this bike behind the wall with a JGR/Works Yamaha swingarm that only needs a gas tank and a shock. This bike is 1.9 bikes.
There will be a V1.0, 1.1, and 2.0. 2.0 is what's going to the UK. That will be the one with my own CNC crank and rod on a forged piston in this 97 chassis. This is the "Super Evo" version. If I want a 2020 I've got one of those too i can assemble. I moved the tabs for my cases, media blasted it, then shelved it.
Hey, I resemble that remark LoL 😂
If you can get down to that weight it would be awesome. You doing all the big stuff in Ti? Axles, pivot bolts, motor & subframe? Basically anything 8mm & up?
Explains why when someone builds a fresh bike with new everything, if you use old axles and pivots, it feels clappy still because the micro fractures in the old stock stuff distort it just enough.
So I did what I felt, armed with that information was best: new OEM hardware, still in the bag, straight to Polydyn for coating. I'd run a front axle though. I think Wobblestiltskin has one
Pit Row
Nice airbox too BTW 😎 Who made the CF ring for it?
“ there is an 05+ version of this bike behind the wall with a JGR/Works Yamaha swingarm that only needs a gas tank and a shock. ”
If you need a shock for it LMK.
I'm probably going to just make my own airbox all together out of aluminum and weld it in to my subframe on V2.0.
Looks pretty good like this, I think.
I don't believe vapor blasting is the end-all, be-all. Used sparingly on components, yeah. But overdoing it, you lose something along the way.
Had to get some legit coveralls from the Isle of Man, aka "man's country"... Look like late 90s/early 00s, and I've got not the slightest clue who Erv Howton is, but I'll bet he's old, British, and grumpy.
Edgar Torronteras is on board.
I don't care if the other 6.9 billion occupants of this dirt spaceship lined up to tell me this can sucks; it's my fav part. Custom stinger diameter on a 10" can. Yes, loud. I'm drowning out 450s and I don't care how many people it annoys. I've been listening to garbage rev limiters coming out of unpacked fourstrokes canisters for so long and no one will address the issue. Cool, I will. I'm just going to drown it out. Do 250F Yamahas come with silencer packing AT ALL?
I ride with ear plugs for the same reason you turn the volume down on a stereo to look for a street address.
Naturally I had to apply that to my bike. But, I don't trust the shit. So, I cut a cube off, put it in a clean glass jar with some U4 and Supertechniplate at 50:1. Been sitting a week, hasn't deteriorated. I'm going to let it sit for another week, then I'm going to strategize how I want to arrange it in the tank. Probably evenly distributed small cubes.
I know it quiets down alloy tank bikes, which are loud as is.
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