I have a 1987 Honda trx200sx fourtrax. Just changed the oil with a premium dealer oil, But the fourwheeler seems like it is in neutral without the throttle being applied. Once you give it some throttle you can feel the engine slowing you down like the clutch engaged. It seems if you don't give it gas it just kicks out of gear and freewheels not good. There is no clutch slipping at all when shifting. I can go wheelies and everything just when it coast no engine braking. Is it just a adjustment? Thanks