jabcrosshook Posted September 23, 2008 Share Posted September 23, 2008 Right because I read about enduro/motocross and supermoto bikes and being the bikes they are and many are competition base, I read a lot regarding top end, bottom end and whole engine rebuilds. And I still have no idea what they are and their reasoning, except your bike won't work and are an essential part of maintenance. Quote Link to comment Share on other sites More sharing options...
Guest Posted September 23, 2008 Share Posted September 23, 2008 http://www.beechmontcrest.com/engine_bottom_top_end.htm Quote Link to comment Share on other sites More sharing options...
jabcrosshook Posted September 23, 2008 Author Share Posted September 23, 2008 Right now I get what what top end and bottom end is, so I guess I know what a whole engine rebuild is. But, why? And How? Quote Link to comment Share on other sites More sharing options...
Stu Posted September 23, 2008 Share Posted September 23, 2008 why---because its like buying a new engine and running great with no risk of going pop espeacilly when racing how---with lots of time and tools Quote Link to comment Share on other sites More sharing options...
Guest Posted September 23, 2008 Share Posted September 23, 2008 why beacuse these bikes are pushing the limits power wise and therefore eat themselves far too quickly. You can get a supermoto for the road that will do 1000's of miles between services...drz400 sm for instance.you buy a race bike and you get what comes with it, run time in hours not distance and expensive replacement parts every other month. Dont for one minute consider buying one for the road....the clue is in the name RACE BIKE Quote Link to comment Share on other sites More sharing options...
jabcrosshook Posted September 23, 2008 Author Share Posted September 23, 2008 why beacuse these bikes are pushing the limits power wise and therefore eat themselves far too quickly. You can get a supermoto for the road that will do 1000's of miles between services...drz400 sm for instance.you buy a race bike and you get what comes with it, run time in hours not distance and expensive replacement parts every other month. Dont for one minute consider buying one for the road....the clue is in the name RACE BIKE I'm not considering buying one, personally I'd go for something with a decent engine, like the WR250X, if they don't bring out a 450 anyway. I just read about them and was wondering why. Quote Link to comment Share on other sites More sharing options...
rollazuki Posted September 24, 2008 Share Posted September 24, 2008 The more fun the bike is, the more often itll need maintainance to avoid blow ups.Lowly tuned bikes do loads between services, higher tuned bikes need regular servicing. Race bikes are serviced every meeting, and parts like pistons replaced regularly to avoid breakage.WR250x, modern engine, fairly mildly tuned, ok to do a fair few miles between servicing, but start using it hard offroad, or raced, and you are looking at more frequent servicing.With the 710 kit and cam in mine, Im gonna be doing oil and filter every thousand miles, small price to pay for the smiles tho. Quote Link to comment Share on other sites More sharing options...
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