/r/DRZ400

Photograph via snooOG

For discussion of the Suzuki DRZ400 and Kawasaki KLX400

Dedicated to discussion of the Suzuki DRZ400 and Kawasaki KLX400.

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Other stuff

DRZ Manuals

Thumpertalk DRZ400 FAQ

/r/DRZ400

13,492 Subscribers

3

Want a really bright tail light

Looking for something that’s hard to miss and not too expensive (Baja designs 👀). I’m kinda paranoid about people not seeing my black bike and usually black jacket and rear ending me.

Also, my stock brake light is always on as if I’m always braking. Anybody had this happen? I’m not much of an electrician so I’d appreciate if somebody knows a probably starting point to fix this

5 Comments
2024/11/04
00:40 UTC

3

Crashed my DRZ please help!

Hey guys, I had a pretty gnarly encounter with a driver crossing into my lane and forcing me into the guardrail.

The bike went for a little tumble, she starts fine but when holding the throttle it just pops bangs and backfires and won’t pick up in RPM.

Sounds like I’ve added a launch control feature. But permanent.

Any proposed fixes? I assume it’s carb related, I haven’t removed it yet as I cant walk right now but I’m hoping someone more intelligent can help me!

Thanks guys!

9 Comments
2024/11/03
06:44 UTC

10

Trail tech vapor 50% off

For anyone on the fence about getting a vapor, it's currently 50% on their website right now

13 Comments
2024/11/02
12:54 UTC

2

Best seat options, and other upgrades.

Hello,

Unfortunately, the seat on my 400s has ripped about 3-4" right on the seam, and being it has never been very comfortable, I have been looking for a suitable replacement Riding style is very mixed, road trips, offroad, and stunting. I've seen many people have been dissatisfied with the Suzuki gel and corbin seats, but open to all opinions and suggestions.

Also, looking for a good LED headlight, as well as LED tail and turn signal replacements, any reccomendations there?

Thanks in advance!

11 Comments
2024/11/01
15:49 UTC

2

Restyle kit

Anyone receive the new polisport restyle kit yet ? I purchased the other day from scrubdesignz but says won’t be available for 6 weeks ?

6 Comments
2024/11/01
00:23 UTC

3

DRZ400SM sputtering problem

Hi all, looking for some help on my 2020 DRZ400SM. bought the bike in the summer of 2021 and spent 2 years riding it around central Florida with no issues. After the break in period I did the 3x3 airbox mod and the jd jet kit, it ran even better in all riding conditions. I moved up to NC and the sputtering problem began to develop. Originally the problem started when I was cruising at 70 mph and constant throttle, about 80-85% open, in the summer of NC, about 80-85 F. The problem occurred and went away so quickly I did not have time to change the throttle to see what would happen. A few months later the bike did it again, still very warm out. It progressively started happening more and more frequently and severely to the point that the bike ended up cutting off and was very difficult to restart, regardless of throttle position and choke. Sometimes reducing throttle and attempting to rev the bike will get it through the sputter but it will still experience the same sputter immediately following. I have had this happen at all throttle positions, from barely cracked to WOT. Most recently I was able to at least get it to the inspection station, seemed to sputter under load rather than just cruising.

I'm a little lost on what it could be carb related, if that is the issue, being that the problems first arose in environmental conditions close to what was normal in Florida. I made no changes to the bike between the move from FL to NC and the problem just came on gradually to the point where I hesitate to even leave my neighborhood now. I'm 99% sure its not vapor locking the tank, cleaned the valve and the sputtering will occur with the gas cap off. I've cleaned the carb two times in one week and checked the float height, still no improvement.

Anyone else have this issue and figure out what is going on?

Current bike configuration:

  • Stock motor 3,000 miles
  • Stock air filter
  • Stock carb with JD jet kit
    • blue needle clip position 4
    • pilot jet 25- main jet 170
    • mixture screw out 2.5 turns
  • 3x3 mod
  • MRD z-pro full exhaust
  • CR8E spark plug (3,000 miles on it, some carbon but dry and black.)
5 Comments
2024/10/31
22:16 UTC

1

Problems starting after Jd Jetkit and MRD Exhaust

So first start cranks up no problem, a little choppy but starts easy and idles no problem. I was riding into town and pulling up to a stop sign, shifting down through the gears the bike died out. Once I reached the stop sign it started again no biggie. Rode further down the road and did the same thing. Tried starting it and was cranking and cranking but it wasn’t turning over, I ended up killing the battery and having to bump start it, once it’s running it’s no problem rides just find. I believe it’s the fuel to air ratio screw being set at the wrong place, seems like it’s not getting enough fuel to start. Plz give tips lol, I’m not too mechanically inclined(YouTube is my best friend)

4 Comments
2024/10/31
21:27 UTC

4

Cage for DRZ400

Where can I find a stuntcage/subcage for my drz400 or how can I make a diy cage for it?

1 Comment
2024/10/31
16:08 UTC

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