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Honda Odyssey CVT - Rear |
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Recalibrating the Rear CVT Clutch on the Honda Odyssey FL250As mentioned in the page about the Honda Odyssey FL250 front CVT clutch, the stock tuning on the Odyssey transmission is not great for optimal performance. In stock form, the Constant Velocity Transmission (CVT) shifts up too soon and bogs the engine too much. To help the engine rev up more freely before the CVT begins to shift up, the rear driven clutch can be recalibrated. A stiffer torque spring and a new cam (32 degree ramps vs. stock 41 degree ramps), helps to delay the upshift of the transmission and results in higher engine RPM's. This can help keep the engine in it's RPM powerband - especially when using an aftermarket tuned pipe.
As usual, the high performance parts do not install themselves (unfortunately), and when you are working on an old machine that has sat outside for decades, rust and corrosion are a big challenge to deal with. Just being able to take things apart so the new parts can be installed can be most of the work. In my case, the old cam was STUCK on the rear driven clutch real good. I soaked it well with PB Blaster penetrating lube, but it really did not want to come off. I used a 3 jaw puller and tried to crank it by hand to pull the old cam off. That didn't do it. I then used my impact wrench to hammer on the 3 jaw puller, and that finally broke it loose.
Removing Driven Cam from Honda Odyssey FL250 After removing the cam, the old buttons on the fixed face of the driven clutch need to be pulled out. Be prepared to have them break off. That can be remedied rather easily by carefully drilling out the remaining plastic out of the holes. New buttons are then pushed in and everything goes back together in reverse of disassembly. At the time of writing this, I am still waiting for some parts, so my Honda Odyssey FL250 is still sitting in pieces in the shop. This video shows someone that has swapped in a larger snowmobile engine into their Honda Odyssey. You can watch the rear CVT operating in this video as the engine is revved up with the Odyssey on stands. 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 Return to Main Honda Odyssey Page
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