you have to reset the synchros, pretty much every dsm ive had has had that problem, just go to first and then reverse. its not that hard and works alot better than sitting there grinding the shit out of your gears.
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FOR A WOUNDED MAN SHALL SAY TO HIS ASSAILANT
'IF I LIVE, I WILL KILL YOU. IF I DIE, YOU ARE FORGIVEN'
SUCH IS THE RULE OF HONOUR.