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If you're not sure if it's too rich or too lean flip the enrichener (choke) on. If it gets worse you are too rich, if it gets better you are too lean.

It's mostly done. Just a few odds and ends to finish up and she's a runner. It got a new 60cc top end, tires, cables, brakes, bars, grips, forks, plastics and seat.

I had those size rims and front tire on my RD when I owned one. It fits but its tight.

It's time to freshen up the PW for the grandkids.

Is this going to get the usual Spooner treatment? Water-cooled upgrade, Lectron, and custom-fabbed bits?

Well, I was thinking about buying an FMF chamber for it, and it IS going to get a 60cc top end. 😁

It's time to freshen up the PW for the grandkids. This is an 81, I bought it in about 88 or 89 when my oldest son was 3 or 4. It's been sitting for the last 25 years. It started like it ran yesterday. It's gonna get a 60cc top end, new cables, tires, bars and grips, forks and plastics, and a few other bits. Should be fun. I've also got a 1980 YZ50 that will probably get freshened up as well. Parts are a little harder to find for that tho.

re: bolting on 350 top end on 250- Isn't there a difference in cylinder studs and/or bolts that needs to be addressed? Could be a Senior memory fart 

There is a difference in length, the 250 studs are shorter. I have done it without changing the studs and have not had any problems.

What they ^^^^ said. Personally, FWIW, i would not worry about reliability. I had a very modded 350 and had no issues. If you take your time and build it right and listen to the experience on the forum you will be fine.

My guess is the left side pilot and jet tube are plugged, so no fuel or very little fuel for that cylinder, also your carbs are probably out of sync and I'd also check the timing.

Is anyone going to Austin? My son and I will be there hanging out with Russ (SoCal250). If you're going look us up.

 Not worth it, especially for a 125.

All of the kits you gave links to show the same parts as the one from economy. I'm not sure what you are seeing. FWIW, spend the extra money and get the kit from economy.

I would load test the battery before assuming a bad battery is your issue.  Just turning the ignition switch on shouldn't drain it that quickly unless your exciting the starter solenoid. The ignition coils don't draw more than 4 amps.

Depends if he's got the headlight on or not.

I run the el cheapo caltric FZ plates, and a few of my bikes make plenty of HP.. never an issue.. More than likely any reports of 'clutch discs grenading bottoms ends' is a result of a shitty install & the owner blaming parts vs themselves 

I've used those too, no problems here either.

I run Kevlar frictions by Barnett for RD400 in my TZ. They are a little grabby but they'll never slip. I also use Barnett springs, but just three of them and three stock springs. Your 75 should already have the 7 plate clutch in it, unless you are building some monster of a motor you shouldn't have anything to worry about as long as your frictions and springs are good.

Thank yall for pointing me in the right direction,  If the SpecIIs fall through are the motto carreras being made by someone else now? or any other suggestions?  the JL's are a $$$ and DG's are my last resort as other have said they are just not worth the current price.

thanks again

jeff

There's some Moto Carreras on eBay right now. 1500.00