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Old 02-04-2010, 07:18 AM   #811
JAB
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Joined: Dec 2004
Location: Beautiful Monrovia
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Quote:
Originally Posted by veetwo _tls

NX650 starter & casing bolts straight up to the XR600R

.
Great looking rig. Any details on the starter upgrade? (If I can't have 6th gear, gonna shoot for the button).
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Old 02-04-2010, 08:17 AM   #812
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Quote:
Originally Posted by Blakebird
I rode a plated XR400 from El Paso to Batopilas and back... anything bigger will be much better since it's mostly paved two lane until you get past Creel.
If you have any doubts about a bike's reliability... bring a tow strap
Thats part of my toolkit since 197something. It's amazing what 20lf of paracord will pull.lol
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Old 02-04-2010, 12:43 PM   #813
DirtandBlood
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Quote:
Originally Posted by flatfender
Sorry about the off topic question but here it is, "how do you XR600R guys like the split between first and second?" could be closer, wider or about just right.

thanks in advance for any opinions

EDIT: when riding off road, on anything you might consider difficult, how do you like the split between first and second

Greg
I mostly notice the split when getting going in deep sand, but i like the fact that 2nd and 3rd feel more like 2nd Lo and 2nd Hi.
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Old 02-04-2010, 03:19 PM   #814
milly1964
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I thought that to get the NX650 starter etc to fit the XR600 you had to use the crank as the rotor side is longer, thought the flywheel/rotor was thicker, as it has a ring gear on it for the starter to engage onto... anyone shed some light?
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Old 02-04-2010, 03:21 PM   #815
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Is the NX650 and the XR650L the same engine or bottom end?
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Old 02-04-2010, 04:34 PM   #816
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Shock for sale??

greetings. apologies for interrupting but would any of y'all have a line on who might be selling a rear shock from a late '80s XR600R. Specifically, I'm looking for one of the remote reservoir versions for a project bike.

A PM with any information would be very appreciated.
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Old 02-04-2010, 04:46 PM   #817
Jeff@TheQuadShop
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Quote:
Originally Posted by JAB
Is the NX650 and the XR650L the same engine or bottom end?
Basically yes.
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Old 02-04-2010, 05:00 PM   #818
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Quote:
Originally Posted by Jeff@TheQuadShop
Just a bit of info for those that don't already know. Scott Summers won 7 national titles on XR600's in the 90's. 5 GNCC titles and 2 National Hare Scrambles. It truly is the best do it all motorcycle ever made!





John Hederics , jeof ballard & Steve Chapman won a swag load over here in OZ also
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Old 02-04-2010, 05:07 PM   #819
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Quote:
Originally Posted by JAB
Great looking rig. Any details on the starter upgrade? (If I can't have 6th gear, gonna shoot for the button).
i cant confirm that as i have not done it. but i read it in ADB mag about john hederics safari bike setup like this. also used the fly wheel of the NX as it's less mass to spin over. so the engine is not to work as hard spinning over = longer durability.
i'll go through my mags & scan it & post up if i can find it have about 8 years of bike mag collection. i do know its 1992 I THINK so it narrows it down

my john hederics copy back in 93
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veetwo _tls screwed with this post 02-04-2010 at 05:59 PM
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Old 02-04-2010, 06:13 PM   #820
flatfender
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Quote:
Originally Posted by milly1964
I thought that to get the NX650 starter etc to fit the XR600 you had to use the crank as the rotor side is longer, thought the flywheel/rotor was thicker, as it has a ring gear on it for the starter to engage onto... anyone shed some light?
form my understanding; the starter motor will not turn the engine over fast enough to excite the 600R ignition, therefore you have to use the XR-L CDI, stator and regulator, which lowers performance, street curve versus race curve, but find out from some one that has tried, not me.
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Old 02-04-2010, 06:21 PM   #821
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Quote:
Originally Posted by DirtandBlood
I mostly notice the split when getting going in deep sand, but i like the fact that 2nd and 3rd feel more like 2nd Lo and 2nd Hi.
thanks for everyone's info, been playing with gear ratios as the 600R, 650L, GB500, NX650 and FMX650 use the same gearbox but different ratios, the possibilities are endless, really.

looks like I'm going with;
1 = 600R counter and XR-L main gear
2 = NX650 main gear
3 = XR-L gears
4 = XR-L gears
4 = NX650 counter gear (1999)
15/48T sprockets

These give a stock 600R first and second ratio and a fifth like the stock 650L which is comfortable at 65-70mph for hours on end.
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Old 02-04-2010, 06:59 PM   #822
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The North American 600R, 650L, and NX650 have the same 3/4/5 ratios and the 600R/650L have the same 2nd ratio. The NX and 650L also have a numerically lower primary ratio.
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Old 02-04-2010, 10:31 PM   #823
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Sounds good

Quote:
Originally Posted by ASSFAULT
I just bought a Keihin FCR41 pumper for my XR600R.
I will let you know how it goes next week when I get it and install it.
I had to order the airbox spigot from Sudco as it doesn't have one already.
I hope it will work like the Mikuni Pumper I installed on my XR400R.
I'll be interested to hear how it works for you. Thanks for the reply.
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Old 02-05-2010, 03:58 PM   #824
BigNastybrp
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Location: high speed boogie land, Sunny Ca.
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fcr 41-40 mx with the tci wire

I have it on my 88 xr600r with hotcam stage 1 97.5

42pj 150 main 50ap 60 leak 200 air jet.

it runs great dyno ran was 37rwhp

but every so often it will not start and I will need to bump or kick it 30 time I think it is the jetting but I just dont know.
if anyone has one please list you set up.
thank B
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Old 02-06-2010, 05:16 AM   #825
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SRC Fork Brace kit - Fork air pressure ?????

Has anyone used the SRC fork brace kit on their XR 600? I found one of these kits with about an inch of dust on it at a local Honda shop that was going out of business. I got a good deal (considering what these things went for back in the late '90's) and would like to try it out in hopes of avoiding the BIG $$$ CRF front end swap.

Who can tell me what the air fittings at the top of the stock forks are for (besides letting air in and out). Is there a setting we should run on these? For example -- 180# rider = 2 psi, 200# = 3psi, 250 = 5psi, etc

I would imagine that you would eventually start blowing oil out of your fork seals if you pressurize the fork tubes with too much air pressure. What gives?
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