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Thread: I want to know how the RSV4 engine and the TuonoV4 engine are different.

  1. #1
    apriliaforum Junkie
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    I want to know how the RSV4 engine and the TuonoV4 engine are different.

    hi, guys

    I find it hard to see TuonoV4 in my country.
    So I have never seen a TuonoV4 engine.


    I want to know how RSV4 and ToonoV4 engines are different.
    These are the same cases.
    Something's gonna be wrong.
    Crank? Connected road? Head?
    Overall, what's wrong?
    If you've had a post before, you can link it to it.
    If anyone knows, can you let me know?
    Thank you.

  2. #2
    apriliaforum expert comfysofa's Avatar
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    Gear ratios is the main thing... Well. Used to be unless that's changed now...

    Sent from my SM-G955F using Tapatalk

  3. #3
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    Quote Originally Posted by comfysofa View Post
    Gear ratios is the main thing... Well. Used to be unless that's changed now...

    Sent from my SM-G955F using Tapatalk
    I think the actual gearbox is the same

  4. #4
    apriliaforum expert comfysofa's Avatar
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    Yeah... Gearbox is but ratios are different...

    Sent from my SM-G955F using Tapatalk

  5. #5
    apriliaforum expert
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    In 2019, the RSV4 1100 engine is very different from the Tuono 1100 engine. Different cylinder head, valves, springs, camshafts, pistons, crankshaft. I would bet other differences too.
    Hoosier, not hoser.
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  6. #6
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    Heads are definately different which obviously includes valves/springs/camshafts, however the crankshaft is the same on my 2016 TV4 1100 as the 2019 RSV4 1100F. Rods and pistons are different. When comparing the gearbox, it appears the ratios are the same from my 2016 TV4 1100 vs the 2019 1100F RSV4.

    I haven't gone through the trouble of comparing the oil pumps and other components, but I can confirm those parts I mentioned above are the same at least by comparing the parts lists on the AF1 site.

    Quote Originally Posted by Diablo1 View Post
    In 2019, the RSV4 1100 engine is very different from the Tuono 1100 engine. Different cylinder head, valves, springs, camshafts, pistons, crankshaft. I would bet other differences too.
    Suddenly there came a tapping, as of a tensioner gently rapping, rapping on my crankcase door. You heard me rapping right?

  7. #7
    just another Aprilia fanatic amauri's Avatar
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    Depends on what year you want to compare.

    The early TV4-1000 engines are exactly the same as RSV4 engines from 2011-14 except:
    -lower compression pistons
    -wide ratio gearbox from 2010 RSV4
    -camshafts are the same as RSV4 but IN timing is different
    -clutch springs are different
    -early 2011/12 TV4 engines used same Ti IN valves as RSV4, later switched to steel valves.

    Starting in 2015 EU TV4-1100 engines use the same crank & rods as RSV4-RR engines 2015-16 EU.
    The gearbox, cyl heads & camshafts are unchanged from TV4-1000 (small change to 5th gear for auto blip).

    Keep in mind that all TV4 engines use four injectors, RSV4 uses eight injectors.
    Airbox and filter for TV4 is the same from 2012 - 2019, RSV4 got an improved airbox in 2015 EU.

    Can't think of anything else right now, there are other minor changes between the two but not significant.

    What are you trying to do?



    Quote Originally Posted by YONGSAN View Post
    hi, guys

    I find it hard to see TuonoV4 in my country.
    So I have never seen a TuonoV4 engine.


    I want to know how RSV4 and ToonoV4 engines are different.
    These are the same cases.
    Something's gonna be wrong.
    Crank? Connected road? Head?
    Overall, what's wrong?
    If you've had a post before, you can link it to it.
    If anyone knows, can you let me know?
    Thank you.
    Never accept mediocrity, always demand competence.

    Certified Aprilia Moto Service in Southern California
    Call me at 714 892-4056 for appointment

  8. #8
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    Quote Originally Posted by amauri View Post
    Depends on what year you want to compare.

    The early TV4-1000 engines are exactly the same as RSV4 engines from 2011-14 except:
    -lower compression pistons
    -wide ratio gearbox from 2010 RSV4
    -camshafts are the same as RSV4 but IN timing is different
    -clutch springs are different
    -early 2011/12 TV4 engines used same Ti IN valves as RSV4, later switched to steel valves.

    Starting in 2015 EU TV4-1100 engines use the same crank & rods as RSV4-RR engines 2015-16 EU.
    The gearbox, cyl heads & camshafts are unchanged from TV4-1000 (small change to 5th gear for auto blip).

    Keep in mind that all TV4 engines use four injectors, RSV4 uses eight injectors.
    Airbox and filter for TV4 is the same from 2012 - 2019, RSV4 got an improved airbox in 2015 EU.

    Can't think of anything else right now, there are other minor changes between the two but not significant.

    What are you trying to do?

    Thank you, Amauri.
    I'm repairing the RSV4 2010 engine.
    The crank bearing is rotating together in the crank case.
    I'm trying to save the crank case and the entire bottom of it. Or all the engines.
    I found the Tuono2012 engine in a nearby country because it was hard to find the RSV4 engine.
    It's the whole engine, and if the bottom is the same as RSV4, I'll find it.


    To combine the engines of the 2012 Tuono engine with the 2010 RSV4, is it necessary to move and timing the gearbox, clutch, piston and cylinder gasket from the RSV4 engine?
    Last edited by YONGSAN; 08-12-2019 at 10:58 AM.

  9. #9
    apriliaforum expert Gabro's Avatar
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    if it's a 2012 Tuono motor, it probably has Ti intake valves, so the swap will be simple as you only need to install RSV4 intake cams in it and BROOMMM
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  10. #10
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    Quote Originally Posted by Gabro View Post
    if it's a 2012 Tuono motor, it probably has Ti intake valves, so the swap will be simple as you only need to install RSV4 intake cams in it and BROOMMM

    Thank you.
    My engine's about to be restored.

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