来看看trimmer manual怎么瞎写的
文章来源: coolibah2008-05-01 17:57:36
http://www.gmcompany.com/download/products/LTP25SS_IM_ed1.pdf

this one is for GMC trimmer. Turn to page 10:

5. Pull the recoil starter until you hear the engine starting or trying to start. (Under full choke it may only run for 1 or 2 seconds).
6. Push the choke lever half way down and allow the motor to warm up. Restart if the motor stops.
7. Once the engine is fully warm push the choke down fully to the run position (warm start) and pull the throttle trigger and release. This will release the throttle lock.

Step 5 is wrong, it should be
5. Pull the recoil starter for several times no need to make engine start at this stage.