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Keeping Spree Elite Aero 50cc and Gyro Alive!
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PostPosted: Tue Jun 05, 2018 5:23 pm 
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Location: Nickastan ca
I have a line on 2 variated jdm AF05e.
other than the 2 piece belt cover does anyone know if theres any differences?
also I already have an af18, ab07, and an 86 variated af05e, so please know that I just like to wrench on different things. im not looking for the fastast build with this thread, im looking for technical info pertaining to possible differences between these 2 variated af05 engines. thanks Nick :coolcruise:


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PostPosted: Sun Jun 10, 2018 4:31 pm 
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Location: North Las Vegas, Nevada
harleyracer59 wrote:
I have a line on 2 variated jdm AF05e.
other than the 2 piece belt cover does anyone know if theres any differences?
also I already have an af18, ab07, and an 86 variated af05e, so please know that I just like to wrench on different things. im not looking for the fastast build with this thread, im looking for technical info pertaining to possible differences between these 2 variated af05 engines. thanks Nick :coolcruise:


Your question raises many more questions, however to answer your question one must look deep inside themselves for the answers .... lol

This is from Paulypaul7
also the DJ1R ( US Equivalent = SE50 Engine) had the 6 port cylinder and SR reed valve in the AF05E.
Also I heard you can't i mean CANNOT mount a Malossi BBK for the Se50 on the JDM version of the engine. Not sure which JDM model engine you have but they vary just like the US ones over the years, models, and makes. Hope this helps


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PostPosted: Mon Jun 11, 2018 6:17 pm 
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Location: Nickastan ca
I wonder what that issue is?
cylinders and heads both have different part#.
jdm has a better head design and a little more compression. the port mapping looks different too.
the transmission parts are swappable so far. jdm looks to hsve lighter weights but for the most part alike. bosses are identical.
on my US 84' AB07 and my buddies jdm 80' AB07 bosses were different length and different OD.
im taking notes and will keep adding to this for mine and others to have a reference


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PostPosted: Tue Jun 12, 2018 1:42 pm 
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Greetings:

Flash 2 was a JDM AF05 from a model called DJ-1 which was very similar to the U.S. SE50 but with 8" rims and tires. As I recall (2008), aside from the cool intake (more similar to the AF16) and the 2-part belt cover, all the critical dimensions were the same. Performance might've been a little better than the US 05 due to factors you mention, but I quickly installed a Malossi 47mm cylinder so have no real experience with the stock top end. But for sure there's no reason you can't install one too. Look for clearance issues near the bottom of the cylinder skirts and adjust as needed. Consider starting with 8.5 or 8-gram weights and experiment from there.

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PostPosted: Sat Jun 23, 2018 9:12 am 
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From what I've noticed, there are two versions of the af05 motor. The Aero motor seems to be different from the later elite motor and DJ1 motor. The older bore has a smaller footprint than the newer bore, and I noticed that the airsal BBK is meant for the older Aero block. When I bolted it on the newer DJ-one block it wouldn't cover the transfer ports on the case.


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