I know you said the T4 motor doesn't fit the 86 T3, but does it require a lot of work? My frame, swing arm were just powder coated. I have a spare 330 T4 motor in storage and that I forgot I had. I'm thinking of putting it in my build. Thanks for your input..
3 86 Tecate 3
1 87 tecate 3 (with kx 540 motor)
1 87 tecate 4 (with 330 motor, 250r geometry)
1 83 atc 70
1 Kfx 50
1 kfx 400 ( with 470 parting out bike)
1 78 KZ 1000 ( with 1340 turbo)
1 Aprilia SXV 550 Supermoto
1 01 ZRX 1200 prostreet (sold)