MNSBR: Yamaha R7R Build - MNSBR

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Yamaha R7R Build

#16 User is offline   Jim Icon

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Posted 07 January 2019 - 10:39 AM

A friend did something similar, partly because he had a lot of stuff laying around. It's an FZR1000 / ZX6 (636) Frankenbike. Lots of complications because the FZR was carburated and the ZX was EFI. Not sure how well it performed, but it persuaded him that he liked sport-touring enough to buy a Multistrada.

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#17 User is offline   Foss Icon

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Posted 07 January 2019 - 12:01 PM

View PostPOE, on 06 January 2019 - 03:11 PM, said:

Really excited to see how this turns out! (And to see it on the LWGP grid! Posted Image )

This will be for street duty, or maybe a track day for fun to see how it feel compared to the FZ.
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#18 User is offline   Foss Icon

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Posted 07 January 2019 - 12:10 PM

Motor in this R6 donor is junk, but what's a normal 06-07 engine worth? Runs, unknown miles (no cluster), slight clatter/clicking for about half second on cold start up. Is valve noise common, cam chain, just the time it takes to get cold-thick oil to the top end?
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#19 User is offline   JohnnyCage Icon

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Posted 11 January 2019 - 08:16 AM

I'd say 700-1200 depending on mileage and condition. The 08-16 motors are more desirable for a number of reason. I see those go for 1100-2500.
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#20 User is offline   JohnnyCage Icon

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Posted 11 January 2019 - 08:21 AM

If you have any usable parts that you want to part with, let me know. I'm rebuilding my 08 motor right now.
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Posted 11 January 2019 - 11:14 AM

View PostJohnnyCage, on 11 January 2019 - 08:21 AM, said:

If you have any usable parts that you want to part with, let me know. I'm rebuilding my 08 motor right now.

Sent you a PM
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#22 User is offline   Foss Icon

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Posted 23 February 2019 - 10:25 AM

Not much progress due to my workload the last month. Finished turning the first part last night. The R6 used a couple tapered parts that expand and friction fit in the frame when the engine mount bolts are tightened. All of the R6 mounts are 12mm vs the FZ having a combination of 10 and 12mm. The rear bottom FZ is 10mm, and since I'm planning to use a through bolt without any relocation it means either boring out the engine to accept 12mm or make new parts to fit into the frame.

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#23 User is offline   Foss Icon

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Posted 23 February 2019 - 10:29 AM

Black is original for 12mm, shinny is 10mm. Not sure if I should make the dished piece with a smaller bore as well, or if the centering effect makes it pointless.

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#24 User is offline   re tired Icon

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Posted 23 February 2019 - 02:05 PM

You have clearly passed beyond the realm of booger eater racing. We wish you well from here on in.

Shalom.





P.S.
I would think you could reuse the same cup and it will center itself by default.
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#25 User is offline   Foss Icon

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Posted 23 February 2019 - 05:32 PM

View Postre tired, on 23 February 2019 - 02:05 PM, said:

You have clearly passed beyond the realm of booger eater racing. We wish you well from here on in.

Shalom.


If you knew how many hours and 4 letter words it took to cut that one simply shinny bit on the lathe you would likely give me back my booger eater status!
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#26 User is offline   Jim Icon

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Posted 24 February 2019 - 07:38 AM

View PostFoss, on 23 February 2019 - 05:32 PM, said:

If you knew how many hours and 4 letter words it took to cut that one simply shinny bit on the lathe you would likely give me back my booger eater status!


It's nice to see someone else with a lathe on this board. (Actually, it's nice to see anyone on this board.)

Speaking of boogers, the tip of your cutting tool is pretty boogered. It's brazed tungsten carbide which makes it difficult to resharpen without a green (silicon carbide) grinding wheel. For cutting aluminum with a low-power lathe, a simple HSS (high speed steel) tool will cut better, and you can sharpen it with a standard grinding wheel. I'm sure there are a bazillion YouTube videos about basic machining, but this guy is outstanding: https://tomstechniques.com/

He actually taught industrial arts as well as having real-world experience.
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Posted 24 February 2019 - 03:52 PM

I want a lathe super bad - been casually browsing them but there just aren't a ton of cheap home hobby use options.
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Posted 24 February 2019 - 09:52 PM

The race bike I'd been borrowing the motor from for mock up sold a couple weeks ago. Picked up the long-term engine donor this weekend. FZ part out thread coming! Also finished the second cone for the lower mount and cut the R6 12mm bolt down to 10mm. Next steps: cut threads on the new bolt and start tearing down the FZ.

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#29 User is offline   CBR600F4i Icon

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Posted 25 February 2019 - 02:39 AM

Why are you putting an R6 motor in an FZ?
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Posted 25 February 2019 - 03:48 AM

View PostCBR600F4i, on 25 February 2019 - 02:39 AM, said:

Why are you putting an R6 motor in an FZ?

The FZ motor is going into the R6 chassis. I like the twin power plant and R6 looks/ergonomics, so why not...
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