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Old 08-01-2012, 08:51 AM   #5221
MortimerSickle
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Joined: Dec 2005
Location: Rainville, Orygun, where moss is a road hazard.
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Quote:
Originally Posted by Hondamick View Post
Thanks Mike. I noticed that some of the cheaper ones were the same width all the way through and read on this thread that someone chewed out there output shaft with a Sunstar sprocket so I stayed away from that brand as well.
I bought a "moose" sprocket... ill see when I get it if its any good.
I'll be passing through Mildura on the way north in my first bike adventure late next month.
Another problem with aftermarket primaries is that some are too hard.

I have posted this pic a few times before, but in case anyone missed it, here it is again.

OEM sprockets are cheap compared to this.

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Old 08-01-2012, 01:57 PM   #5222
uranys
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Joined: Oct 2007
Location: Steeler Nation
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Quote:
Originally Posted by jesusgatos View Post
Pffft. The FCR MX has more clearance than the stock carb on a 650L, but I read what someone else posted about the 600's having a slightly different air-boot. That's interestingg, because I need to put the same carb on one of those bikes too. Maybe end up getting another 650L intake boot.
That's how I found out, I had both an xrl and 600r. Got the fcrmx and put it on the xrl and it cleared fine. Then went to swap it to the 600 and it hit the frame. Swapped intake boots and clearance problems disappeared.

Interestingly the cv carb fit fine on the xrl with the 600 boot.
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Old 08-01-2012, 02:00 PM   #5223
uranys
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Quote:
Originally Posted by elsalvadorklr View Post
damn

thanks for the info

well if the cog is demagnetized, can you magnetize it again?

new pg has been ordered....lets hope its that

the good news I guess is that I have a cdi and stator and coil that werent in use if indeed some damage occured from a bad plug or something

what worries me is it does look like there was contact at some point between the cog and tab on the pg, meaning something is wrong

like a wobble in my crank or I overheated?

in any case Ill see what happens with the new pg

heres hoping man!
I would think if your crank had enough play for that to happen you would be hearing some pretty awful noises!

You said the gap was pretty tight, you don't think normal thermal expansion could have caused them to rub?
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Old 08-01-2012, 03:55 PM   #5224
elsalvadorklr
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Quote:
Originally Posted by uranys View Post
I would think if your crank had enough play for that to happen you would be hearing some pretty awful noises!

You said the gap was pretty tight, you don't think normal thermal expansion could have caused them to rub?
yeah, I think youre right

I got up to 290f on te higway after installing the mikuni, I jetted up after getting some jets from steve...

thing is it probably got way over 300f inside the engine oil temps wise

maybe this is what finally killed my pg?

and yes my gap was about .12-15mm

and there is evidence the cog tab hit the pg, its slightly rubbed looking

damn

hope this new pg fixes this

last thing I need is rebuild number #5!


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Old 08-01-2012, 03:57 PM   #5225
elsalvadorklr
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Quote:
Originally Posted by MortimerSickle View Post
Another problem with aftermarket primaries is that some are too hard.

I have posted this pic a few times before, but in case anyone missed it, here it is again.

OEM sprockets are cheap compared to this.

I gots me one of those too

thanks to steve and a new cshaft, and a new oem sprocket Ill be set for a while...
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Old 08-01-2012, 05:33 PM   #5226
benno.h
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Christian, bummed you're still having so many issues mate! Hope you get it sorted soon.
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I'll step out on a limb here and state that bikes without kick starters are just plain gay, for pansies, ladyboys, and suchlike. Furthermore, they should have to ride at the back, not speak until spoken too, and set everyone else's tents up, then cook and wash up afterwards, before sitting up all night guarding the real men's bikes.
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Old 08-01-2012, 07:10 PM   #5227
Mike the Yank
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Quote:
Originally Posted by elsalvadorklr View Post
I gots me one of those too

thanks to steve and a new cshaft, and a new oem sprocket Ill be set for a while...
I have one of those too at the moment, what do I do now? Engine is running perfect so I would hate to have to crack it open just for the countershaft fix. I'm thinking buy a factory 14 tooth and keep going till it strips completely, then if engine is still going good weld it on until it completely wears out, then crack the case. Lazy I know but funds are low.
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Old 08-01-2012, 09:25 PM   #5228
rogervize
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< I am guessing that the PG is wound with similar gauge wire to the ignition exciter but only about 1/10 of the turns since only about 7 volts is specified at normal engine revs.(much lower since it is used as 'trigger' only)>>

I have given some wrong info here...It's obvious the PG is wound with very thin wire..thinner than the Ignition Exciter Winding on the Stator...
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Old 08-02-2012, 04:37 AM   #5229
kirbi69
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thats what i would do @ mike the yank.
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Old 08-02-2012, 03:38 PM   #5230
StevenD
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Location: Holland, Amserdammed
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Hi Fellow XR owners,

I'm transforming an SLR650 engine for my XR with a kick start and need to know something :)

Is anyone able to measure the diameter of the oil pipe connection plugging IN on top of the oil pump for the pipe of the feed to the gearbox? The slr one is running OVER the sprocket and prevents the xr side cover to be fitted. I'm hoping that i can use the XR pipe as welding this small pipe is not going to be easy!!

Thanks!
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Old 08-02-2012, 05:04 PM   #5231
elsalvadorklr
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Quote:
Originally Posted by kirbi69 View Post
thats what i would do @ mike the yank.
yup x2..

actually if you do a good job you can spot weld or tack weld 2 nice dots on the sprocket that would be easy to grind off after the sprocket is worn...
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Old 08-02-2012, 05:06 PM   #5232
elsalvadorklr
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Quote:
Originally Posted by benno.h View Post
Christian, bummed you're still having so many issues mate! Hope you get it sorted soon.
well I was having a good run with the "new" mikuni flatslide and assorted stuff recently...

I guess old electrics need some touchups too

hope this is it(the pg)

Im lucky I have some awesome guys on here to help out with the logistics too! jejeje

cheers
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Old 08-02-2012, 06:10 PM   #5233
benno.h
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Yeah I have the odd electrical issue. I've been eyeing off a second hand, complete harness off ebay and thinking of rebuilding it.
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Quote:
Originally Posted by GodSilla View Post
I'll step out on a limb here and state that bikes without kick starters are just plain gay, for pansies, ladyboys, and suchlike. Furthermore, they should have to ride at the back, not speak until spoken too, and set everyone else's tents up, then cook and wash up afterwards, before sitting up all night guarding the real men's bikes.
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Old 08-03-2012, 10:52 AM   #5234
Swan3609
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Location: North Idaho
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Just got my Clymers manual and I am about to tear into my 640. I am nervous about it. I have never done any motor work before. But as a college student, I can't afford to have someone do it. Any advice other then to "Just do it"

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Old 08-03-2012, 11:00 AM   #5235
2manyrides
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Quote:
Originally Posted by Swan3609 View Post
Just got my Clymers manual and I am about to tear into my 640. I am nervous about it. I have never done any motor work before. But as a college student, I can't afford to have someone do it. Any advice other then to "Just do it"

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take lots of pictures for reference!
use a factory service manual that's as close to your year bike as you can get.
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