Posted by Tom Petroff (IL) [68.166.91.129] on Thursday, September 17, 2015 at 13:02:01 :
In Reply to: One more time please on the heat riser posted by Sherman in Idaho [72.47.153.163] on Thursday, September 17, 2015 at 01:17:15 :
Which ever way the weight will drop is open.
ie No heat to the carb.
The spring pulls it closed "heat"
When warmed the spring looses tension and The weight drops opening the valve.
TGP