i have a tracker 2 stroke 40 horse i have not had time to start it so the starter was locked up i got that taken care of and i turned the flywheel by hand and now it locked up i now put pb blaster in the cyllinder then i filled them up will marville mystery oil ,i guess next i will put in some hydra valve clean and try it -so far i can't turn it with the bolt on top got any ideas on how to unstick it ---Thanks