Ground clearance // 900RR conversion - Wrist Twisters
 
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post #1 of 19 Old 03-29-2010, 11:08 AM Thread Starter
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Ground clearance // 900RR conversion

Hello

I have a single question for those of you who have made 900rr exhaust conversions ..
Are there any issues regarding clearence between exhaust and tarmac, when put down to the panic knob's on the footrest's ?
I won't be driving around with sparks flying "everytime" I turn right !

Thank's in advance for some light put into this matter
Hans - Danmark

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post #2 of 19 Old 03-29-2010, 11:27 AM
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if you can do that, i want to go riding with you. I have a small Yoshi on my 900 header, and while i'm not a cornering guru, i've seen no clearance issues. i'm not sure why i didn't leave it on. it's like a flavor of the week thing, if you like switching maps and exhaust gaskets. if you DO have a clearance issue, you could always extend the mid pipe to gain more clearance.

30,000 mile 919 survivor. No plans of stopping the abuse any time soon.
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post #3 of 19 Old 03-29-2010, 11:39 AM Thread Starter
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By the way - are there different models headers from the 900RR ?
by the pictures I can see both bolt on types and slip types - wich one should I go with ? or are the different headers just modified to match the choice of silencer ?
"I won't be driving around with sparks flying "everytime" I turn right" - being a bit ironic here

It's all just because I can't buy a set of Yoshi can's here in Denmark......... stupid fu... and the price of a set Leo Vince's just went up by more than 100 $ here ........ stupid money issues

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post #4 of 19 Old 03-29-2010, 11:52 AM
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OY! well... i'm also not an expert on it... there are only corners at intersections in North Dakota. i got a Yoshi 900rr header off ebay, and it has a slip-style mount on the back; pretty easy for maintenance.

30,000 mile 919 survivor. No plans of stopping the abuse any time soon.
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post #5 of 19 Old 03-29-2010, 12:20 PM
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Hi Oy...short answer to your question- No. there are no ground clearance issues. the only time you might ever drag your exhaust is if you are already full horizontal and sliding...god forbid.
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post #6 of 19 Old 03-29-2010, 01:43 PM
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Quote:
Originally Posted by oy05 View Post
By the way - are there different models headers from the 900RR ?
by the pictures I can see both bolt on types and slip types - wich one should I go with ? or are the different headers just modified to match the choice of silencer ?
"I won't be driving around with sparks flying "everytime" I turn right" - being a bit ironic here

It's all just because I can't buy a set of Yoshi can's here in Denmark......... stupid fu... and the price of a set Leo Vince's just went up by more than 100 $ here ........ stupid money issues
There are at least 2 types of 900rr header, early and late. My understanding is that they are both bolt-on style but a lot of people cut the flange off to make them slip-on style. I've been told the early 900rr header will not fit a 919 because of clearance issues with the head pipes. To do the conversion, you want the later style, '96 or later, I think.

There are several threads here that talk about it but I think above is accurate. I'm planning to do and I have everything I need but I'm waiting for reliably decent weather so I can get it dyno-tuned as soon as I put the header on.

I have Ripper's old setup with a custom Black Diamond CF can. If I wasn't going that route, the Sato GP can is very tempting.

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post #7 of 19 Old 03-29-2010, 02:22 PM Thread Starter
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Found this "euro style" german fighter

clearly to see this is a bolt on style exhaust..
What I found out reading her, is that it has to be a SC33 header..
Anyway choice nr. 1 still being a set of Yoshi's - converting the bike to a 900RR will automatic mean, that you got to have a PCIII install't, so I'am in the thinking box... or should I say the counting the money box - figuring out how I'am to get a pair of Yoshi's from USA to Denmark without paying tax

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post #8 of 19 Old 03-29-2010, 02:28 PM
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I am a little worried mine might drag... Mine hangs real low though...




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post #9 of 19 Old 03-29-2010, 02:47 PM Thread Starter
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"I am a little worried mine might drag... Mine hangs real low though..."
It might look that way - only one way to find out, just remember to stay on the wheels !

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post #10 of 19 Old 03-29-2010, 03:51 PM
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Quote:
Originally Posted by oy05 View Post
Found this "euro style" german fighter

clearly to see this is a bolt on style exhaust..
What I found out reading her, is that it has to be a SC33 header..
Anyway choice nr. 1 still being a set of Yoshi's - converting the bike to a 900RR will automatic mean, that you got to have a PCIII install't, so I'am in the thinking box... or should I say the counting the money box - figuring out how I'am to get a pair of Yoshi's from USA to Denmark without paying tax
Looks like a powder coated stock 900rr header to me.

With an aftermarket can.

Clean set up.

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post #11 of 19 Old 03-29-2010, 09:39 PM
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Quote:
Originally Posted by oy05 View Post
"I am a little worried mine might drag... Mine hangs real low though..."
It might look that way - only one way to find out, just remember to stay on the wheels !
I dont think its going to... I have ridden it hard...

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post #12 of 19 Old 03-31-2010, 06:00 AM
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I went with a CBR 900 header and Scorpion Street Extreme can similar to Maryland Mike's. I don't ride as hard as some do, but I've never had a problem scraping anything.
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post #13 of 19 Old 03-31-2010, 06:02 AM
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That looks good!


Quote:
Originally Posted by H919rider View Post
I went with a CBR 900 header and Scorpion Street Extreme can similar to Maryland Mike's. I don't ride as hard as some do, but I've never had a problem scraping anything.

"Towards the end of the vid, it looks like she may have had a bafflectomy." - MarylandMike
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post #14 of 19 Old 03-31-2010, 06:06 AM
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Thanks

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post #15 of 19 Old 03-31-2010, 07:22 AM
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Quote:
Originally Posted by HondaJim View Post
That looks good!
+1 Looks great man. Glad to see you got it done.

I have never had a problem with mine, but then again I have chicken strips and have never scraped peg either.

bak bak

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post #16 of 19 Old 03-31-2010, 08:24 AM Thread Starter
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Maybe I should let it go, look's great but I'll hate ruin the great fun "carving" corner's is...

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post #17 of 19 Old 03-31-2010, 09:25 AM
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What is that a picture of?... is that a boot on your tank?

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post #18 of 19 Old 03-31-2010, 11:00 AM Thread Starter
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Certanly not a booth in my mouth
Nokia ain't that good at pictures........

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post #19 of 19 Old 04-14-2010, 11:29 PM
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Hey Guys I don't want to open a new thread, but if you could help. My mechanic said he has a 900rr exhaust, but dosent know what year it is. Is there a way I can mesure the pipes to findout what year. I know the 93-95's are shorter and need to be modified (with a hammer), but any major give aways to look for?

thanks.

919 FZ1
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