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Old 01-26-2013, 11:14 AM   #16
bastimentos
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aw hell yeah.

Loving this plan, go RR and go Jen.

Will be following the thread all the way, hoping to post my congratulations to you on finishing the Dakar in 2014.

Respect.
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Old 01-26-2013, 02:07 PM   #17
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Originally Posted by kyns View Post
Has the engine been run allready with the 450 kit ? Any power figures yet ?

How about the 690 hi comp piston, how much power ?

Price for those retired 690 rr's just went up i think...
Hi Kyns!

The parts for the 450 are being machined next week, and we hope to have the engine back together soon after... The plan is to bench test it to make sure the compression etc. is all good (we have computer modelled it, but there is nothing like a physical test to confirm), then we can set the final machining spec and get the piston/s and crank/s made to production quality.

I'm sure John will be along shortly to explain more about the hi-comp 690 piston (which will obviously have a different profile to the 450cc version), and what you might expect - again, the profile has been modeled on computer to give the required compression ratio, but we'd want to cut a prototype to make sure before the production batch goes ahead...

Numbers to follow, as soon as we have them! Hell, we might even make a video of the lump being tested on the dyno!

Toot toot!

Jx
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Old 01-26-2013, 03:33 PM   #18
Gian
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WOW, goo Jenny! A very brave project indeed. I remember Ludivine Puy did a Dakar with a 450 engine fitted in a 690RR chassis, but this is another story. I was thinking to go to Hellas Raid myself, but having only my DRZ available I would need full transport and assistance package, too expensive for me at the moment. Also because I'm preparing a "new" 600cc bike and won't be ready and moreover, tested, in time for the Hellas. But I'll have quite a few friends there, so I'll have anyway some first hand infos

Best wishes for everything, I'm in!
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Old 01-26-2013, 03:36 PM   #19
ThomasVolomitz
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We have a whole year to follow this to the big race. It will keep our minds tuned into Dakar all year.
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Old 01-26-2013, 04:29 PM   #20
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Nice post, but it needs a "Donate" button please...
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Old 01-26-2013, 05:23 PM   #21
Motorfiets
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would LOVE to hear some more about this 690 engine...
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Old 01-26-2013, 07:25 PM   #22
matheas
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sweet. I can't wait to see the how this progresses. Go Jmo and your mystery inmate
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Old 01-26-2013, 07:55 PM   #23
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Nice post, but it needs a "Donate" button please...
Yes Please.
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Old 01-26-2013, 11:40 PM   #24
Bluebull2007
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Great idea Jenn

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Old 01-27-2013, 04:16 AM   #25
Johnnyktm
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Very interesting! Thanks for all the time and effort into the project, and of course, I'm subscribing
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Old 01-27-2013, 05:33 AM   #26
Hillbilly501
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This is very cool, it's going to be great to follow this. Just remember that orange paint and 37 clicks of suspension adjustment don't make up for being a shit rider Does that mean you will be able to swap the bike between 690 and 450 depending which race you're going to?
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Old 01-27-2013, 06:45 AM   #27
Deadly99
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Quote:
Originally Posted by Hillbilly501 View Post
This is very cool, it's going to be great to follow this. Just remember that orange paint and 37 clicks of suspension adjustment don't make up for being a shit rider Does that mean you will be able to swap the bike between 690 and 450 depending which race you're going to?
Or ride it to South America with a 690 engine. Swap consumables and engine, race, then reswap and ride home.
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Old 01-27-2013, 08:23 AM   #28
Goofy1
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"No space cadets"?!?!?!?!? Well there goes my dream of Dakar.

Great sounding project and we wish you all the best.

G1
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Old 01-27-2013, 08:48 AM   #29
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Very cool!
Good luck with the project!
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Old 01-27-2013, 10:05 AM   #30
kyns
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Quote:
Originally Posted by JMo (& piglet) View Post
Hi Kyns!

The parts for the 450 are being machined next week, and we hope to have the engine back together soon after... The plan is to bench test it to make sure the compression etc. is all good (we have computer modelled it, but there is nothing like a physical test to confirm), then we can set the final machining spec and get the piston/s and crank/s made to production quality.

I'm sure John will be along shortly to explain more about the hi-comp 690 piston (which will obviously have a different profile to the 450cc version), and what you might expect - again, the profile has been modeled on computer to give the required compression ratio, but we'd want to cut a prototype to make sure before the production batch goes ahead...

Numbers to follow, as soon as we have them! Hell, we might even make a video of the lump being tested on the dyno!

Toot toot!

Jx
Ok, cool.

Interesting to see how this 4 50 project compares to the factory 450rr, power / weight wise.
For sure bit more weight, but maybe not too much difference.

And good luck for your Dakar race.
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