How can a 4 cylinder 2 stoke be hard to start? Even the propper GP 500's could be bumped in about 2 paces. Maybe if you were trying to bumping a CR500 up hill, in mud up to your knees you might sruggle lol
Good luck in finding one though if ya need it. We always used to park at the top of all the big hills with the CR and B50's!
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If I have to take the carbs off once more...