New 919 owner - Wrist Twisters
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  • 1 Post By Islandboy
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  • 1 Post By Bryce919er
 
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post #1 of 13 Old 01-09-2019, 06:08 AM Thread Starter
WERA481
 
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New 919 owner

Recently picked up a 2007 919 and will be looking for modifications for exhaust and front end.
Any info would be appreciated.
Thanks,
Joe

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post #2 of 13 Old 01-09-2019, 09:56 PM
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Welcome.
What do you have in mind for the front end and exhaust? Modified stock or aftermarket? Budget? Performance, looks, sound etc.
What don't you like about your current setup.

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post #3 of 13 Old 01-10-2019, 07:20 AM
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Awesome, welcome aboard. Which color did you get an what condition is she in?

There's a number of options for both exhaust and front end. Exhaust can go from replacement cans, to welding in a thru pipe on the bottom to full replacement to a lower side exit system.

Front end goes from rebuild to new valving system to full replacement. IIRC, the RC51 is maybe the choice replacement for the front end and some require quite a bit of work.

Put up some pics of your new ride and give us an idea of what you'd like to do. We have some nice write ups on both front end and exhaust mods.


Here's one link: (some of the pic links are broken).

https://www.wristtwisters.com/forums...wap-36377.html

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post #4 of 13 Old 01-10-2019, 10:53 AM Thread Starter
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At the moment I'm thinking slip on carbon cans but I haven't been able to get the bike up on my work table yet to check out the rest of the system, is there a catalytic converter under there? Scorpion seems to be the only product I can find for the exhaust.


I'd like to put inverted forks on it, hopefully with a steering stem that's a direct replacement.


I don't care for the looks of the three spoke wheels, wire wheels might be nice..


I've got the Ohlins HO201 already so either the inverted front or a cartridge kit for the stock forks...

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post #5 of 13 Old 01-10-2019, 01:22 PM
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There are several manufacturers that make exhausts to fit the 919. When you do your searches try Honda hornet 900.
I'm using a Delkevik Y link pipe. It's outlets are a standard 50mm diameter. I have fitted SP engineering slip on cans to it.
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post #6 of 13 Old 01-10-2019, 03:23 PM
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Quote:
Originally Posted by jkraft View Post
At the moment I'm thinking slip on carbon cans but I haven't been able to get the bike up on my work table yet to check out the rest of the system, is there a catalytic converter under there? Scorpion seems to be the only product I can find for the exhaust.


I'd like to put inverted forks on it, hopefully with a steering stem that's a direct replacement.


I don't care for the looks of the three spoke wheels, wire wheels might be nice..


I've got the Ohlins HO201 already so either the inverted front or a cartridge kit for the stock forks...
Seeing as you have an '07, there is a cat' element fitted into the inlet of the Y pipe that attaches to the exit of the header section of the exhaust system.
The insert can be removed, as others have done it.
I don't know how its afixed, and guess there is some retaining device that is at least spot welded.

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post #7 of 13 Old 01-12-2019, 12:24 PM Thread Starter
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Thanks, I'll check into removing the CAT section.
Just ordered a Scorpion set of CF mufflers, can't believe how heavy the oem mufflers are.
Also ordered a 520 chain and sprocket kit to save some weight.
Anyone know if a F3 (hollow) rear axle is a direct replacement, thought I saw that somewhere?

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post #8 of 13 Old 01-12-2019, 05:15 PM
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Quote:
Originally Posted by jkraft View Post
Thanks, I'll check into removing the CAT section.
Just ordered a Scorpion set of CF mufflers, can't believe how heavy the oem mufflers are.
Also ordered a 520 chain and sprocket kit to save some weight.
Anyone know if a F3 (hollow) rear axle is a direct replacement, thought I saw that somewhere?
If you are trying to drop some weight, a lithium battery is a very easy way to drop 5-6 pounds off the OEM unit weight. The flapper mod is a quick one as well. Good tires are also always a nice mod.
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post #9 of 13 Old 01-12-2019, 06:50 PM
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Use a F4i rear axle.
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post #10 of 13 Old 01-17-2019, 06:14 PM Thread Starter
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Links to removing the Cat element and flapper mod please?
tia.

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post #11 of 13 Old 01-17-2019, 06:17 PM
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http://www.rogueracing.org/919/flap.htm

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post #12 of 13 Old 01-17-2019, 06:24 PM
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Quote:
Originally Posted by nathanktm View Post
If you are trying to drop some weight, a lithium battery is a very easy way to drop 5-6 pounds off the OEM unit weight. The flapper mod is a quick one as well. Good tires are also always a nice mod.
Which lithium batteries do people go with on here?
Do you have an Amazon link?
I'm looking to get one too.

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post #13 of 13 Old 01-18-2019, 01:49 PM
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Ewmin this probably won't be much help but here goes. The lithium battery's which I use are an Aussie brand, SSP powersport. Here's a link. Sorry it's eBay not Amazon.
http://www.ebay.com.au/itm/152393975980
These batteries come in a range of cold crank amps, CCA. I went for the highest, 450 CCA. This also meant it was the most expensive in that brand range, bloody expensive!
The battery is super light and very strong. I've never put it on a battery tender.

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