R1Z advance curve 3XC-00 CDI

[radioman]

Guys  Does anyone have a Japanese manual,can photo & post a shot of the page that shows the CDI curve.
I believe this is not a normal 1KT CDI  the 00 ignition is unrestricted.

With a 1KT or 2MA does the power normally come in hard at 7000 or lower.
My TDR 2CK was 6000.
Thanks Keith

[abar121]

There is one somewhere on the net, I found it when I had one.

Here's one link, but there is a better .jp one if you keep searcing

translate.google.com/translate?hl=en&sl=ja&u=http://rilassaru.blog.jp/archives/1890619.html&prev=search

The 3XC-00 isn't restricted, but does have slightly less timing up top than a TDR I believe, although this made no difference on the dyno when I compared the two. Both made 40bhp at the rear wheel, with the smaller carbs / pipes etc giving torque earlier on the 3XC.

[radioman]

Aug 17, 2019 11:28:28 GMT 1 abar121 said:

There is one somewhere on the net, I found it when I had one.

Here's one link, but there is a better .jp one if you keep searcing

translate.google.com/translate?hl=en&sl=ja&u=http://rilassaru.blog.jp/archives/1890619.html&prev=search

The 3XC-00 isn't restricted, but does have slightly less timing up top than a TDR I believe, although this made no difference on the dyno when I compared the two. Both made 40bhp at the rear wheel, with the smaller carbs / pipes etc giving torque earlier on the 3XC.

Thanks, good info & useful having good mid range.
Translation was funny(ha ha) in parts.
Been trying to find out differences re 3XC  timing  YPVS etc.
Cheers Keith

[radioman]

Found this while digging in that link.

[abar121]

That's cool. Obviously not a stock bike though.

The dyno charts I have went with the bike, but from memory it had a broad power band from 5.5 to 9k, then dropped like a stone.

I used to race in what is now Yamaha Past masters on a heavily tuned 1XT. That made 56bhp at the back wheel, yet was really tractable when it wasn't eating rings

Stock but gutted pipes as were legal at the time. Allegedly stock ignition too, but it had been opened for sure.

[radioman]

Aug 18, 2019 11:34:59 GMT 1 abar121 said:

That's cool. Obviously not a stock bike though.

The dyno charts I have went with the bike, but from memory it had a broad power band from 5.5 to 9k, then dropped like a stone.

I used to race in what is now Yamaha Past masters on a heavily tuned 1XT. That made 56bhp at the back wheel, yet was really tractable when it wasn't eating rings

Stock but gutted pipes as were legal at the time. Allegedly stock ignition too, but it had been opened for sure.

 Can't cover up much now in YPM !  

The was I read the chart, orange trace is Std bike the other with OSL CDI.
The 45 bhp was corrected power so would be std bike ? so long as it had a 00 CDI.
Can you feel 5 bhp ... the way it is delivered yes.

[abar121]

I guess it depends on the dyno, but my stock (only change was swarbrick cans), 3XC with the 00 CDI made 39.something bhp on a dynojet on which a healthy TDR250 also made 40bhp.

My stock R1-Z died about 9k, nothing like either of those plots.

[radioman]

Aug 18, 2019 17:22:48 GMT 1 abar121 said:

I guess it depends on the dyno, but my stock (only change was swarbrick cans), 3XC with the 00 CDI made 39.something bhp on a dynojet on which a healthy TDR250 also made 40bhp.

My stock R1-Z died about 9k, nothing like either of those plots.

Yes you are right, you don't know what was done to the bike or the accuracy of the dyno or how it was operated.
The TDR hit the brick wall at 10.Nice & safe.It did have TZR sprockets when I bought it & left it that way.
70 on speedo was 6000.Always wondered how many 3XC are in the UK & if still popular now.

[abar121]

Howard did a lot of work on his one. His thread is here:

rdlccrazy.proboards.com/thread/26077/r1-nearly-finished

[radioman]

Aug 19, 2019 11:51:05 GMT 1 abar121 said:

Howard did a lot of work on his one. His thread is here:

rdlccrazy.proboards.com/thread/26077/r1-nearly-finished

 Thanks  wonder where it is now.
Howard spent a lot of time & money on that one.
Hope new owner treats it well.