"Reliable" is relative measure I think. I think it's ratio of 100% functionality vs. how much effort is required to maintain that functionality. In that regard, my 2x pregens have required more effort than my 2x newgens. The pregens needed more maintenance than my newgens such as case leaks, cracked wiring, and gummed-up carbs . Most likely due to age and neglect at time I bought them.
However the newgens required more effort for valve-adjustments. So it may be wash between 250s.
They both require more work than my VF500 which I've had for 30-years. Having kept up on maintenance since beginning, it never requires any additional repair work.
However, having carburetors, they all require pre-winter preventative maintenance such as fuel-stabilisers and float-bowl draining before storage. One newgen I keep riding over winter as commuter does require extended warm-up with choke to get going.
In these regards, my CBR600RR is more reliable than all of them, going year after year without needing as much maintenance. It starts up on 1st crank after winter and I can take off immediately. Even brake-pads and chain lasts longer.
Last futzed with by DannoXYZ; May 8th, 2019 at 11:19 PM.
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