This sounds like to me that the timing is out you can alter this by turnning the timing screw until you get it just right or the earth wire may have fallen off or even no compression this is caused by double threaded heads holes in exhausts whatevver
You can post your question, answer or comment as a guest. Or
enter your e-mail to join the forum and get notifcations of new messages.
More 1977 Yamaha DT 125 E information
Our discussion forums are intended for short messages. We also welcome more extensive motorcycle reviews.
Bikez also recommends that you check out the technical
data and the riders' rating for the 77 Yamaha DT 125 E.
You can also rate it yourself. Use our efficient motorcycle
classifieds to sell or
buy
this bike. Your motorbike gets a high quality presentation. Ads are free.