Drop in fuel economy after replacing an engine.
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Thread: Drop in fuel economy after replacing an engine.

  1. #1
    Registered User Array
    Join Date
    May 2011
    Williams Lake B.C.
    1984 V65 Magna, 2006 FJR 1300

    Drop in fuel economy after replacing an engine.

    I replaced an engine on my V65 at 95,000 km with an engine from a totaled bike with 25,000 km, I used only the engine in the swap, same carbs and exhaust.

    Bike ran(runs) great but I noticed close to a 10% drop in fuel economy.

    Has anyone had a similar experience?
    There are old riders and there are bold riders. There aren't any old, bold riders.

    Ride safe folks.

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  3. #2
    Three hour tour guide Array silverD's Avatar
    Join Date
    Aug 2003
    '08 Varadero
    You're whacking the throttle more now to "test" the new motor..
    I'm not addicted! and I'm not quitting!!
    Heeere's your sign...

    ...and "always" look on the bright side of life...

  4. #3
    Registered User Array bacchus40's Avatar
    Join Date
    Apr 2006
    two feet off the ground..
    MIAMI '09 & RAIDER S! '14
    uhm, completely different engine? could it be the 'new' engine just isnt as efficient as your old one? its not like the frame or any other component not used on the 'upgrade' has anything to do with it

    two different engines in different state of tune or maintenance can vary drastically i would think

    Quote Originally Posted by Land Roving
    Life is too short to own ugly motorcycles.

  5. #4
    BannedSpammer Array malamikigo's Avatar
    Join Date
    Feb 2007
    '09 Ducati M696
    10%. meh. buy one less starbucks a month.

  6. #5
    Registered User Array
    Join Date
    Dec 2004
    A V65 with low mileage has sat without turning over for too many years. If you are worried about fuel mileage get a modern bike, if you really love the v65 put a few grand into getting it rebuilt.

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