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Discussion in 'Thumpers' started by onaXR, Jan 18, 2006.
I have Acerbis handguards on mine that fit fine over the stock levers.
I have Moose hand guards on mine, no problem with the stock levers.
I did not, when?
NX 5th gears are hard to get. If I could afford one I would buy it. You have to get it from overseas.
I think Barron might be able to hook you up if i recall correctly. Maybe PM him. I think he is over in Japan now.
I think he has a post or two about it in this thread. Probably in the 400 posts or so...
It would be perfect with the NX 2nd and 5th gears. Combine that with a built CW engine and some stock 15/45 gears for a 120mph beast.
I rode an 88 KX 500 for 2 years and did very well on it. I liked it. There were a couple of CR 500's in the circuit as well at that time.
The guy I rode with could haul some major mail as long as it held together. He had 2 or three spare bikes just for parts.
I still haven't cracked my case yet (paid someone I trust to do it for me). I never really found a good option for swapping out the first gear with a 15T/45T sprocket setup to have the same ratio that I get from the stock gear with a 14T/48T sprocket ratio. It's just really nice to pop the front wheel up over a tall rock stair step. Maybe easier for you more competent riders but for a n00b like me, it's nice.
Thanks; I do remember being present for those discussions, or at least one set of them. But it's too late now, I already reassembled it after replacing the shifter shaft (with help from Steve) which broke one time when I went down on the trail. I couldn't really justify the expense at the time, anyway.
I started out with 14/48 as I got it from the P.O. I needed a higher top though the first three were fine. After some time, I tried the 15t front. I determined that made the first two or three too high, so I went back. Then bwalsh had a 50T rear he wanted to get rid of so I did the arithmetic and 15/50 is 90% of the stock 15/45 while 14/48 is 88% -- so they are close, but 15/50 is just a touch higher. That's what I'm running now. It's an okay compromise. If I could have the first three gears in 14/50 and fourth and fifth in 15/45, I'd do it. But as long as I'm wishing for the stars, I might as well wish for a six speed where the gears are spaced exponentially.
I've thought about that second gear alteration while riding, and I just don't see where and how I would personally benefit from making a smaller gap between first and second, and a larger gap between second and third. It seems just fine the way it is! :
If your bike is running well 14/45 should take you anywhere comfortably, at least for me it does:huh
The NX second gear swap should be done when the case is split. That gear is cheap and easy to find. It eliminates the gap between the steep XRL 1st and second gear. If you get the fifth gear 14/48 will work great for all around use.
With a built engine and a pumper carb you have enough power to wheelie at will in 1-3 gears with 15/45 gears. It will pick the front end up in all 5 gears if you try.
A well built engine with 14/48 finals almost has too much power. It just keeps trying to ride away without you...
Whats nice is having a gear for every use. No need to change countershaft sprockets for long slab rides or tight woods use.
If you want to eliminate the 2-3 gap, use an XR600R first gear (taller/closer to 2nd than the OE XRL 1st). Add 14/48 final and you have a very linear gearbox 1-5... BUT you give up quite a bit of top end speed.
That make a nice close ratio box. They are a blast too. Each way has its upsides and downsides.
I bike set-up each way would be nice...
Anywhere you have gone, at speeds that suit you, quite possibly so. But there's a lot of range from places where you need to crawl over large obstacles and.or make a series of tight turns, to trying to get several miles away on the highway and stay ahead of traffic. I could probably deal with the 14/45 compromise but I can assure you 14/48 is much friendlier on the trail. I do way more trail than road but I don't want to burn up the engine nor become a rolling roadblock to and from the mountains.
Hey if we can't have a six-speed, then how about a dual-range??
That's cool, but I got perfectly used to the 1-2-3 gap, even-4 at times, on the mountain trails using 14/48. Top gear just felt like I could not go for long over 60mph without risking abuse to the engine. Although I would wind it up to 85 on some gravel roads, that was where it topped out and I had to let off after hitting it.
There's little to nothing we can do ourselves to make it proper to include good low end and good top end - it's an inherent limitation in the transmission with the parts available. But we can dream....
When we're done dreaming, we can search for our best personal compromise.
At the moment, mine's 15/50.
If you look at the chart you'll see the 5 speed NX650 euro gears are wider then many good 6 speeds are.... No compromise needed.
I have an engine build plan to match up with it perfectly.
Now I just need the money tree...
If you look back at any of my ride reports my riding is 90% off road. Did Kane Creek in Moab with this gearing, a fairly tough trail.
I have never asked and always wondered. What approximately does it cost to have a "built" motor? I know there are tons of options and my question is very general. Never had the nerve to ask Cdub, but is a CW790 like 2500.00? Does a thousand get you anywhere? Always been curious. Strictly engine mods.
My understanding that a Completely tricked out C-dub motor , with every single bell and whistle than you can think about , plus a few that you cant think about , will run you about a thousand bucks .
I think that's really reasonable. Especially after I priced leathers in our size.