• No thanks needed, I'm simply here to help. • I was able to secure larger jets by fishing around in the Max BMW parts fiche within other models. Be...

@red-horse Higher number, larger jet.

My money is on 1) mis-alignment of the friction plate, or 2) friction plate installed backwards. NOTE: "Mis-alignment" is not a beauty contest winne...

Just a guess.... The rocker arms may have not allowed the inlet valve to close all the way, or as quickly as needed, thus allowing the valve to stay s...

An 1981 RT is well into the EPA and DOT mandated carb leaning era that started in the mid-70's. Pollution and fuel efficiency were mandated over perfo...

Obviously, David has a "nose" for ignitions. ?

Your first photo shows a double flatted hole in the oil pump inner rotor. The second photo shows a double flatted shaft coming out of the engine. Thos...

Grab your #2 Phillips screwdriver and remove the 9 screws. Pull the cover forward and down. Nothing else holds it. They usually fall out as the screws...

If the Needle is worn because of 40 years of banging around, then may I suggest that the Needle Jet is equally "banged up" ? After all, the Needle o...

Not clear to me which you want..... ► David described how to remove and adjust the Needle. ► The Needle Jet is above the jet block. Remove the flo...

@16606 I'm not an expert, but have serviced maybe 8-10 twist grips on models from 1975 to 1988 and have never seen that much wear. I'd replace both pa...

It's the motorcycle equivalent of craft beer, and some models are fairly cute. I'd never buy one, but I'd pay someone $20 for a test ride.

@10278 Thank you for the follow up. I had not connected the rocker arm post with this one.