Another thing to keep in mind is,what if it starts raining and your 20 miles from nowhere. I can pretty much guarantee the ht engine will die a slow death. Not to mention how well you waterproofed the rest of the wiring. The ht,s are a nightmare when it comes to water. I don't know how good the 4 strokers are so I can't comment on them. I just did a honda 50 with a q-matic and if their was any bike I would try a road trip of that distance, it would be that one. The wiring on this honda looks pretty waterproof but I wont know until I get caught in the rain. Then I'll let you know. I'm sure someone on this site can chime in on the 4 stroke engines.