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Mr.RPM 912cc Big Bore kit up and running!

This is a discussion on Mr.RPM 912cc Big Bore kit up and running! within the Rotax Your Rhino forums, part of the Sponsor Forums category; This is the second 912cc kit ever! Greg has made 78rwhp on his quad on the dyno. I'm expecting between 75 and 78 to the ...


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Old 12-19-2009, 09:04 PM
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Mr.RPM 912cc Big Bore kit up and running!

This is the second 912cc kit ever! Greg has made 78rwhp on his quad on the dyno. I'm expecting between 75 and 78 to the wheels considering we have a bit more driveline loss than the quads do.

Mr.RPM for more info. This kit is $1550.00 and thats a smoking price for the amount of power they make! tell them RYR sent you!

Thanks to Kenny at KDS Racing for the 50mm throttle body!

Thanks to Muzzy's for the bolt on dual exhaust system for Rotax Rhinos!

Thanks to Rotax Your Rhino for the bad ass Rotax install kit and engine build! ( A little pat on my back for sure )

Thanks to my homie Greg at LSR for all the time he's spent helping me work on this beast!





Dyno results soon!

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Old 12-19-2009, 10:12 PM
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You ever gonna race the thing, or just bench racing??????????
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Old 12-20-2009, 07:07 AM
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Quote: Originally Posted by AZCourt View Post
You ever gonna race the thing, or just bench racing??????????
You ever going to finish a race or at least get on a podium?

Nice sig.
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Old 12-20-2009, 07:59 AM
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Was the oil cooler warm? I sure as hell hope so.

Sounds sweet dude.
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Old 12-20-2009, 08:10 AM
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Thats awesome. What was the problem with the oil cooler issue. I know that they were not circulating.
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Old 12-20-2009, 08:33 AM
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Well, you told me you'd be racing it 6 months ago. Just wondering if you were?

One podium was all I will ever see I'm sure, 2nd in Page 2 years ago. I don't really like racing, I like going but not so much driving. Too fat, get worn out too fast. Too expensive ect......

Last edited by AZCourt; 12-20-2009 at 08:37 AM.
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Old 12-20-2009, 10:31 AM
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Sounds good
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Old 12-20-2009, 10:38 AM
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"RYR Wanna Bees"

Comon' Brian get that thing off the Jack Stands and do some testing and inform us "RYR Wanna Bees" what is next... Good or Bad...
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Old 12-20-2009, 01:35 PM
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Quote: Originally Posted by Brian B View Post
Quote: Originally Posted by AZCourt View Post
You ever gonna race the thing, or just bench racing??????????
You ever going to finish a race or at least get on a podium?

Nice sig.
That was funny...Brian I want to see that thing run and I purchased a small video camera to record it in Glamis..I know we will have a different finishing order this time...LOL

Gary, are you going to have your Rotax finished by Glamis?..I know you are capable of finishing it you just need to get in the shop and off the forum...lol
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Old 12-20-2009, 01:53 PM
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AZ Oh Shit!

Damn! Just when I thought my 820 might be competitive???????????
We are going to have to make the run what you brung in cc classes??
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Last edited by Pgreg; 12-20-2009 at 03:47 PM.
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Old 12-20-2009, 02:30 PM
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Howdy
Say I know this is already somewhere but could you let me know what all is included in the kit and what needs to come from the donor

thanks
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Old 12-21-2009, 09:10 AM
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sounds like a monster b!! hey do you have the part #'s of all the timing chain parts needed for an update?, wanna make sure i get everything in 1 shot.
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Old 12-21-2009, 10:08 AM
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B - you did use the low compression pistons with that kit, right?....LBR
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Old 12-21-2009, 12:28 PM
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Quote: Originally Posted by Chandler View Post
Was the oil cooler warm? I sure as hell hope so.

Sounds sweet dude.
Yeah. When you use the right o-ring the adapter works great!

Quote: Originally Posted by mike207 View Post
Thats awesome. What was the problem with the oil cooler issue. I know that they were not circulating.
I didnt have instructions at the time of the install and didn't know the o-rings are different on the Wix filters I was using. Run an OEM o-ring on the adapter and it works great!

Quote: Originally Posted by Bilstein-Gary View Post
Comon' Brian get that thing off the Jack Stands and do some testing and inform us "RYR Wanna Bees" what is next... Good or Bad...
I'm working on it man! I plan to drive and dyno tune it the week before New Years! Come on out Gary! FYI - I just left you a message. Give me a call!

Quote: Originally Posted by michaeltom401 View Post
Quote: Originally Posted by Brian B View Post
Quote: Originally Posted by AZCourt View Post
You ever gonna race the thing, or just bench racing??????????
You ever going to finish a race or at least get on a podium?

Nice sig.
That was funny...Brian I want to see that thing run and I purchased a small video camera to record it in Glamis..I know we will have a different finishing order this time...LOL

Gary, are you going to have your Rotax finished by Glamis?..I know you are capable of finishing it you just need to get in the shop and off the forum...lol
I cant wait for NY man! Garys plans have changed a little. I'll let him explain!

Quote: Originally Posted by Pgreg View Post
Damn! Just when I thought my 820 might be competitive???????????
We are going to have to make the run what you brung in cc classes??
I dont think there is going to be any structure to New Years racing man. Just bring them, and run-em!

Quote: Originally Posted by Wheel Dusty View Post
Howdy
Say I know this is already somewhere but could you let me know what all is included in the kit and what needs to come from the donor

thanks
Please dig around in this section, or give me a call anytime and I'll be happy to explain everything! 480-776-7642

Quote: Originally Posted by 702 Rhino View Post
sounds like a monster b!! hey do you have the part #'s of all the timing chain parts needed for an update?, wanna make sure i get everything in 1 shot.
Not sure man. I got my stuff from Greg. Just call Parker Yamaha and tell the parts guys you need the chains, guides, and tensioner guides for an 09........

Quote: Originally Posted by LBR View Post
B - you did use the low compression pistons with that kit, right?....LBR
12:1 still! Compression is where the power is made. They run just fine on pump gas anyways!
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Old 12-21-2009, 02:01 PM
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[quote=Brian B;419617]
Quote: Originally Posted by LBR View Post
B - you did use the low compression pistons with that kit, right?....LBR
Quote:
12:1 still! Compression is where the power is made. They run just fine on pump gas anyways!
Gotcha....what happened to the turbo-talk that was to be R&D'd? I may have to 912 mine with some dished pistons & mucho-boosto - wifey needing more HP.....LBR
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