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Old 08-11-2012, 01:15 PM   #68161
motolab
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Quote:
Originally Posted by deathu View Post
Indeed, the jet needle was also worn, but I replaced it with a new one a few weeks ago. So my question refers strictly to the ovalized hole in the slide... can this create any problems by itself? Should I replace the slide as well?
The previous poster was encouraging you to replace the jet needle as well as the emulsion tube (needle jet). To that I would add the slide guide and the slide, or else the emulsion tube won't last very long at all.

Regards,

Derek
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Old 08-11-2012, 01:43 PM   #68162
Feelers
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Quote:
Originally Posted by Rob.G View Post
I went out to put a fresh chain my DR650, and discovered one of the holes in my 16T is stripped and two of the three bolts that hold the sprockets on are also shot. Despite my best efforts, I couldn't salvage it. I did manage to find three similarly-sized bolts in my parts collection so I can run the 15T, but I really prefer the 16 (with a 46 rear). Also figured at this point I'll grab a new rear sprocket too. But dangit, you guys aren't in on weekends!!

Rob
Rob,

Do you use 16/46 for normal riding, and 15/46 for offroad instead of what most people do and go from 15 to 14 on the front?

I just ask because the ratio of 16/46 (2.875) is almost identical to stock 15/42 (2.8).
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Old 08-11-2012, 01:45 PM   #68163
Andyinhilo
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Quote:
Originally Posted by motolab View Post
The previous poster was encouraging you to replace the jet needle as well as the emulsion tube (needle jet). To that I would add the slide guide and the slide, or else the emulsion tube won't last very long at all.

Regards,

Derek
Derek you are exactly correct. I should have mentioned that stuff, too. IMHO, he should just bit the bullet and get a TM40 if he can afford one.
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Old 08-11-2012, 02:10 PM   #68164
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Oil Filter Cover Torque

Have everything to do my first oil change, oil, filter, magnetic drain plug and magnetic filter ring. Anybody reading right now know torque specs for the 8mm bolts holding the filter cover on? Ciao and thanks.

Never mind I found it, 8 ft, 96in lbs
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Richguzzi screwed with this post 08-11-2012 at 02:23 PM
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Old 08-11-2012, 04:26 PM   #68165
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Quote:
Originally Posted by Rob.G View Post
Augh... Hey ProCycle, why can't you guys be open on Saturdays, at least during the Summer months, or maybe even just til early afternoon?? If you were, I'd be on my way down there.

I went out to put a fresh chain my DR650, and discovered one of the holes in my 16T is stripped and two of the three bolts that hold the sprockets on are also shot. Despite my best efforts, I couldn't salvage it. I did manage to find three similarly-sized bolts in my parts collection so I can run the 15T, but I really prefer the 16 (with a 46 rear). Also figured at this point I'll grab a new rear sprocket too. But dangit, you guys aren't in on weekends!! With a snap ring rather than the bolts to hold the CS sprocket it doesn't matter about the condition of the bolts or holes. You might be able to source an appropriate sized snap ring at a GOOD hardware store. I prefer the retainer plate bolt method myself but if it meant salvaging a weekend ride......


BTW, after going back a few pages and seeing the talk about ADVGrifter, I dug up one of his last posts. It was him questioning why somebody else was banned, in a very level-headed and polite manner. I can't say I like the guy... I don't.. he seems to be a hard-left socialist freak that likes Hugo Chavez, but he makes some very valid observations in his post (in the Ferry thread). For some unknown (to me) reason, I found myself re-reading the forum rules not long ago. While doing so I recall reading specifically that one really easy way to get yourself banned was to complain about or lobby to get someone else 'un-banned'.He might not have been first on my list of 'who should be gone' candidates for what I recall reading here in the DR thread but there are many other threads that I do not follow.

Rob



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Old 08-11-2012, 05:19 PM   #68166
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Stuck Choke cable

Quote:
Originally Posted by wncstrada View Post
For you folks who have suffered a broken choke cable, what type of symptoms did you experience? My bike suddenly does not want to idle and moving the choke lever has little effect on engine rpm. Thanks!
My choke cable froze up several years ago so got a new choke from ProCycle. It was the short one with no cable. Made a knob extension so the knob was out where it could be pulled on with riding gloves. Very happy with it for the last several years.

The top one is the new modified choke, and the bottom is a temp fix of the stock choke so the bike could be started while waiting on ProCycle to ship the new one. Now there is no choke cable to get rusty and quit working.



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Old 08-11-2012, 05:50 PM   #68167
Emmbeedee
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Quote:
Originally Posted by smilin jack View Post
My choke cable froze up several years ago so got a new choke from ProCycle. It was the short one with no cable. Made a knob extension so the knob was out where it could be pulled on with riding gloves. Very happy with it for the last several years
The short choke is of no use if you have anything other than the stock fuel tank, though. Ask me how I know.
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Old 08-11-2012, 06:25 PM   #68168
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Quote:
Originally Posted by wncstrada View Post
For you folks who have suffered a broken choke cable, what type of symptoms did you experience? My bike suddenly does not want to idle and moving the choke lever has little effect on engine rpm. Thanks!
Thanks everyone for your feedback. I pulled the cable today and found that the cable was almost frozen by corrosion. I think that the choke cable froze up partially on, causing my poor idle. I've put together a temporary fix (yes, my local Suzuki dealer did not have one in stock) and I'll be ordering one of the kits from Procycle on Monday. I appreciate everyone's help as I go through the learning process with a new (to me) bike. Hey, at least I'm getting good at pulling the side panels / seat / tank off!
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Old 08-11-2012, 06:50 PM   #68169
smilin jack
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Stock tank

Quote:
Originally Posted by Emmbeedee View Post
The short choke is of no use if you have anything other than the stock fuel tank, though. Ask me how I know.
Yep, still using the stock fuel tank. The magnetic tank bag doesn't stick too well to the larger plastic aftermarket tank. I'm just stuck taking the lawn mower can on long trips.

Dave
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Old 08-11-2012, 07:17 PM   #68170
motolab
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Quote:
Originally Posted by Rumlover View Post
The slide ,in stock configuration, is designed to make the needle hang at a slight angle and more or less be wedged in the hole to some degree (which I personally think contributes to the hole wearing.
It is not true the the needle is wedged in its hole in the slide in stock form. If it were, then it could not simultaneously be preloaded against the downstream side of the emulsion tube.
Quote:
If you look at the bottom of the slide (on the inside) you will see a step right where the needle hangs. The theory is that the needle being cocked and preloaded by the spring in this manner will prevent the needle from moving around in the airstream so much and meter more precisely.
Until that movement produces wear, the fuel will be metered more or less the same, regardless of whether the needle is moving around or not. It is not just moving around in the airstream that preloading the needle reduces. It also reduces rattling, orbiting and spinning. Most importantly, cocking the needle and preloading it slightly allows it to pivot out of the way as the slide guide wears and the slide moves downstream by the amount of the wear.
Quote:
In any event having that hole ovalized will alllow the needle to move at an even greater angle and cause increased wear at the needle and needle jet.
An ovalized needle hole indicates that the slide guide was allowed to wear to a point where the slide was supported by the needle in the emulsion tube rather than by the guide, and that this condition was allowed to persist beyond simply ovalizing the emulsion tube.

Regards,

Derek
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Old 08-11-2012, 07:22 PM   #68171
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I just noticed this DR for sale - I have nothing to do with it. Seem like a good deal.

http://advrider.com/forums/showthread.php?t=812507
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Old 08-11-2012, 07:35 PM   #68172
Eddieb
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Dynojet needles and FCR carbs

Before I pull my FCR off the bike, will Dynojet needles for a stock carb also fit in the FCR39?

I'm in NZ where we have proper unaltered gas so the MX_Rob fuelling is way too rich. I've got DJ 150, 155 and 160 jets lying around that I could use if one of those is going to help lean things out.
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Old 08-11-2012, 07:50 PM   #68173
motolab
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Quote:
Originally Posted by Feelers View Post
I doubt that the grooves in the needle are an EPA thing.
The lack of extra clip grooves is indeed an EPA thing. Can't have "tampering" in the land of the free, you know (and don't forget that they hate us for our freedoms).
Quote:
The lack of grooves only allows easy richening of the mixture by shimming after all.
How do grooves disallow it?

Shimming the needle on a BST carb richens the mixture by increasing the spring preload and thus lowering the slide height for a given combination of throttle position and rpm (except when the slide is against either of the stops), rather than by raising the needle.
Quote:
The more likely explanation is that a non-grooved needle is cheaper, and the inability to lean out the mixture will help prevent people ruining their engines and creating a liability problem since lawsuits are so easy here.
I suppose that would indicate that people in other countries are richer, smarter, and/or more self responsible than U.S. Americans.
Quote:
The pressure is minimal, and I'd anticipate more wear from bouncing around than from lightly sliding on the inside of the hole...
Agreed. To that add the wear from the needle not being able to pivot out of the way as the slide guide wears.
Quote:
Plus, being a bit tipped wouldn't prevent using a different clip position on the needle by any means...
Agreed.
Quote:
As for the brass plug...I don't know...
Another example of the many freedoms we enjoy.

Regards,

Derek
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Old 08-11-2012, 07:51 PM   #68174
motolab
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Quote:
Originally Posted by Tech23 View Post
The manufacturers second biggest business is replacement parts and Suzuki will be more than happy to sell as many replacement parts as one might need.
No slide guides available from Suzuki, so apparently they are not happy to sell those.

Regards,

Derek
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Old 08-11-2012, 08:09 PM   #68175
motolab
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Quote:
Originally Posted by Tech23 View Post
However the only necessary controlled movement of the jet needle for proper carb operation is up and down...any other movement only induces inconsistent metering of fuel, and excessive chaffing/wear of the jet needle/needle jet. If there were some benefit to having those sloppy tolerances aftermarket performance carbs would have it too...
BST carbs don't have excessive clearances when new. When they exist, they do so a result of wear.
Quote:
Pictures of abnormal wear from cocked jet needle.


The wear in the pics is a result of excessive slide guide wear, and the slide having been constrained by the jet needle in the emulsion tube rather than by the slide guide.

Regards,

Derek
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