Honda Odyssey

 

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In stock form, the Honda Odyssey FL250 came with approx 17HP.

The Honda Odyssey FL250 was produced between the years of 1977-1984.  It was a very popular off road machine for it's time.  Even today, they are still being restored and ridden by enthusiasts everywhere.  My particular Honda Odyssey is a 1983 model that was purchased for $500.  It's not a beauty to look at, but considering the price, it was a pretty good deal.  Personally, I don't care so much about the looks as long as it's running properly and reliably.  When I brought my particular Honda FL250 home, it was not running right.  It didn't want to idle very well (kept revving up too high) and just felt gutless.  I suspected some sort of air leak.  Came to find out that the intake manifold boot was cracked.  A new intake manifold and some carburetor tuning helped to get it running better, although it was far from running as well as I wanted.  

Honda Odyssey FL250
1983 Honda Odyssey FL250

One of the first things I noticed about my particular Honda Odyssey was that it felt very gutless off the line.  When you gave it full throttle from a standstill, it felt like it was starting off in 2nd gear.  Those of you familiar with the Honda Odyssey know that it does not have gears to select.  It's an automatic CVT transmission similar to those found on snowmobiles.  The belt driven CVT system shifts automatically and is supposed to keep the engine running in its powerband for maximum performance.  Problem is that on my Odyssey at least, the CVT was shifting up too soon and bogging the engine too much.  In addition, I could hear the engine detonating when it would climb even slight inclines.  I discovered that my jetting was a bit lean, so I installed a larger main jet.  I also began running higher octane premium gas - which I should have done from the start.  This helped in reducing detonation, but I could still hear it detonating when the engine was under heavier loads.  The CVT was just shifting up too soon and loading down the engine too much.  Clearly, the engine needed a higher engagement RPM to give it more acceleration off the line, and it also needed to upshift later to allow the engine to rev up more.  I have been tinkering on my Honda Odyssey doing small modifications to try to increase the performance and the fun factor.  Once I get some of these modifications done, I plan to post some more information and pictures on this site for those that might be interested.   

Here are some links to pages showing some of what I've done on my Honda Odyssey so far:

 Honda Odyssey Airbox Mod    Honda Odyssey Tuned Pipe    Honda Odyssey CR250 Head   

Honda Odyssey Digatron Tach    Honda Odyssey Powerbloc Clutch    Honda Odyssey FL250 Driven Clutch

Honda Odyssey Overheating Solution    Honda Odyssey at Beverly Sand Dunes    Honda FL250 Water Cooled Head

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