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Old 09-22-2012, 06:25 AM   #15871
coarsegoldkid
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Quote:
Originally Posted by Rusty Rocket View Post
My friend has a 2012 DRZ400 (purch Apr/12) with an hanging idle problem.. He's done a DJ jet kit and it ran fine after, Now, it won't idle down. He wants to take it to the dealer for warranty work, but because of the jet kit figures he's gonna have a problem. Is there a common problem that happens to these bikes that he should be aware of? Thanks.
There is nothing that I've heard of that is generic to these DRZ S or SM models that would cause this issue.
If it were my bike I would make sure the throttle cable is closing down all the way as soon as the twist grip is released. Lube the cable and throttle system. Check free play. Make sure the grip or handguard isn't interfering. If it doesn't work talk to the dealer mechanic or service manager about what you have modified to see if it's going to be a warranty stopper.
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Old 09-22-2012, 06:29 AM   #15872
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Quote:
Originally Posted by Rusty Rocket View Post
My friend has a 2012 DRZ400 (purch Apr/12) with an hanging idle problem.. He's done a DJ jet kit and it ran fine after, Now, it won't idle down. He wants to take it to the dealer for warranty work, but because of the jet kit figures he's gonna have a problem. Is there a common problem that happens to these bikes that he should be aware of? Thanks.
Try turning down the idle as low as it will go and still run. This has worked for me in the past.
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Old 09-22-2012, 06:37 AM   #15873
JoCo
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Quote:
Originally Posted by Rusty Rocket View Post
My friend has a 2012 DRZ400 (purch Apr/12) with an hanging idle problem.. He's done a DJ jet kit and it ran fine after, Now, it won't idle down. He wants to take it to the dealer for warranty work, but because of the jet kit figures he's gonna have a problem. Is there a common problem that happens to these bikes that he should be aware of? Thanks.
Make sure the choke isn't on.
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Old 09-22-2012, 11:14 AM   #15874
JustGreg
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Quote:
Originally Posted by Rusty Rocket View Post
My friend has a 2012 DRZ400 (purch Apr/12) with an hanging idle problem.. He's done a DJ jet kit and it ran fine after, Now, it won't idle down. He wants to take it to the dealer for warranty work, but because of the jet kit figures he's gonna have a problem. Is there a common problem that happens to these bikes that he should be aware of? Thanks.
My guesses would be , either the throttle cables arent properly adjusted or the carb wasnt reseated properly in the boots.
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Old 09-22-2012, 11:29 AM   #15875
markjenn
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Hanging idle is often an intake air leak. Sure the vacuum line to the petcock is kosher?

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Old 09-22-2012, 11:38 AM   #15876
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Originally Posted by bobbed06 View Post


My Dizzer
what are the forks off of?
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Old 09-22-2012, 12:46 PM   #15877
blaster11
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Gouge in fork tube/

So I recently picked up a DRZ400S and it had a leaking fork seal. Since it was leaking I figured I would freshen up the oil and spring it for me. Upon inspection of the tubes I found one with a gouge in it that the previous owner tried to clean up. I suspect that's where the leak is coming from...either from when the damage occurred or it tore up the replaced seal. The owner acted like he had never been in the forks so maybe he just tried to clean up the damage and never replaced the seal. Either way if I run it with the gouge should I just expect it to leak or is there any chance that it will be fine? If its going to leak most likely then I will just start looking for a replacement.

Anyone got a spare left fork lying around that's straight and useable?
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Old 09-22-2012, 05:23 PM   #15878
phoneman
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Got the new drz off in some dirt and woods today. First gear is definitely too tall for much riding woods trails.
What sprockets are yall using to slow this thing down ? I'm not too worried about losing speed on the top end--it seems to have way more than I'm likely to use very often.
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Old 09-22-2012, 05:58 PM   #15879
TerraUnFirma
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Quote:
Originally Posted by phoneman View Post
Got the new drz off in some dirt and woods today. First gear is definitely too tall for much riding woods trails.
What sprockets are yall using to slow this thing down ? I'm not too worried about losing speed on the top end--it seems to have way more than I'm likely to use very often.
Phoneman,

For mostly dirt riding, whether I ride a few miles or trailer, I run a 13/48 sprocket set (3:69 ratio) vs the stock 15/44 (2.93 ratio). With that setup I can run 60mph on pavement fairly comfortably without the feeling I've got a grenade between my legs.

When I went to the 48 rear sprocket, I also bought a new chain, 116 links and had to take one or two links out of it to get proper adjustment range to be able to switch between 15/14/13 CS sprockets. The stock chain is a little short for the 48 rear sprocket. If you want to stay with the stock rear sprocket, you can find as low as a 12t CS sprocket, but those are very hard on your chain. Stick with the 13t CS sprocket and that will give you a 3:38 final ratio, which does help.

Lots of options out there and I've got an Excel spreadsheet that I'll be glad to share if you want to look at all the permutations of CS/Rear sprocket ratios.

Cheers
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Old 09-22-2012, 05:59 PM   #15880
ifixfords
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Quote:
Originally Posted by phoneman View Post
Got the new drz off in some dirt and woods today. First gear is definitely too tall for much riding woods trails.
What sprockets are yall using to slow this thing down ? I'm not too worried about losing speed on the top end--it seems to have way more than I'm likely to use very often.
I like 14/47 combo (stock E setup), works quite well off road. It will still run a steady 70mph if necessary, although I don't make it a habit. Pulls 3rd gear wheelies nicely.

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Old 09-22-2012, 06:13 PM   #15881
Dirtnadvil
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What tires for sand?

Well I defected from the WR250R club to the DRZ400 club. The Wr250R is a great bike but I felt like it was a tad small and under powered for me. So far I love the DRZ; more power, better ergos, carb and option for a kicker. I wish it had a 6th gear though, compromise, compromise. Anyways I am setting it up for some Baja riding and I am tire shopping. What tire combo is a good all rounder for desert dirt, rocks and sand. I am a bigger guy so I need a tire that will hook up in sand. Thanks:
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Old 09-22-2012, 06:16 PM   #15882
Wlfman
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Quote:
Originally Posted by phoneman View Post
Got the new drz off in some dirt and woods today. First gear is definitely too tall for much riding woods trails.
What sprockets are yall using to slow this thing down ? I'm not too worried about losing speed on the top end--it seems to have way more than I'm likely to use very often.
I'm using a 15/47 on my S

http://www.paochow.com/DRZguide/DRZgea.php
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Old 09-22-2012, 06:30 PM   #15883
TerraUnFirma
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Quote:
Originally Posted by Wlfman View Post
DRZ-400S Sprocket Data
40 41 42 43 44 45 46 47 48 49 50
12 3.33 3.42 3.50 3.58 3.67 3.75 3.83 3.92 4.00 4.08 4.17
13 3.08 3.15 3.23 3.31 3.38 3.46 3.54 3.62 3.69 3.77 3.85
14 2.86 2.93 3.00 3.07 3.14 3.21 3.29 3.36 3.43 3.50 3.57
15 2.67 2.73 2.80 2.87 2.93 3.00 3.07 3.13 3.20 3.27 3.33
16 2.50 2.56 2.63 2.69 2.75 2.81 2.88 2.94 3.00 3.06 3.13

This should help sort out the various options...mix and match You'll have to shift the top line of rear sprocket values over, couldn't get them to line up above the columns, but you should be able to figure it out.
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Old 09-22-2012, 06:47 PM   #15884
DR650SEDDY
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Quote:
Originally Posted by Dirtnadvil View Post
so I need a tire that will hook up in sand. Thanks:
Kenda Trackmaster II 760 (120-100-18) are da best for sand digging. . Front, try Kenda DT Parker (90-100-21) if u can find it in that size.
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Old 09-22-2012, 07:07 PM   #15885
DR650SEDDY
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Quote:
Originally Posted by phoneman View Post
What sprockets are yall using to slow this thing down ? .
When i got mine it was 14/47 it was annoying on the freeway barely got it to 60mph. I switched the cs to 15 and i got it to the sweet spot. I can ride all type of terrains confortably without compromising a lot of speed when on road. Going to low on the cs (12 or 13) can cause considerable wear to certains parts faster then usual the chain would wear faster and the rubber guard on the swing arm will be chewed slowly. I wouldn't go smaller than 14 for cs. If ur looking for more torque i suggest u go bigger on the rear one. To my experiences 14/48 would be great for off-rd that of course u wanna trailer ur bike to ur destination with no pavement involved.
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