The Ultimate DRZ-400SM Thread - Mods, Tips and Tricks - Page 2 - BARF

1kneedown · 11-27-2007, 04:40 PM

IC...that is a tough question, and probably one for the tech inspector to opine on. Try PM'ing Tom Dorsey, aka Gilligan, 250p champion (on a DRZ!) and former (maybe current) head tech inspector for the AFM. His contact info might be on the afm website as well and I think berto had a thread in the racers corner trying to get in touch with him too. basically....all roads lead to Dorsey.

PS I'm pretty sure Dorsey's bike has nothing but a pipe, jet kit and some gearing changes. He's just friggin fast on a road course on that thing.

And it is a hoot to race these things, I am going to get in more than 2 races next year I swear.

nadrojp · 11-27-2007, 05:47 PM

Quote:

Originally Posted by stan23

As I stated above; you can't change the carb, or even modify the airbox. Internal engine mods are ok -- except for big bore.

If I could do the carb, it would be on the bike already!

yeah, I was just clarifying for chi...My buddy jeremy was trying to get me to start racing afm in that class, but I have no time/ money right now... maybe in a few years!!!!! I was watching a yellow drz tear it up at infineon a few months back... I was like" wtf is that?... is that a... holy shit its a drz... wtf! " got me thinkin for sure though!

gilligan · 11-27-2007, 11:21 PM

Quote:

Originally Posted by stan23

I'm wondering instead of buying a new one, if I can just re-use my old one by covering up the hole?

I'm not the head tech guy anymore, but if you cover the hole, it has to be permanent, not just duct tape. Also, the pan has to hold a minimum of 3 quarts of fluid or the engine capacity (1.7l on the DRZ) for it to be legal. You might want to have Tazman check it out before the season starts...

If you go with all the engine mods, keep in mind the bike will be illegal in 2009 since the 2005 and earlier exceptions will be eliminated from the rule book. Personally, I'd leave it pretty close to stock because it's more reliable. It's still a single...

Mine is the (faster) yellow 2006 and is stock other than an K&N, jetting (on the Fastline dyno), an FMF header/Leo Vince slip-on, sprockets, Dunlop tires and other minor mods. Biggest improvement was having the suspension done by Ray Perez of RJP Suspensions (408-245-4888). I had it lowered internally 2" up front, 1" in the rear and re-valved/sprung for my weight and style using the stock shock. It's also licensed and I used it to commute on part of the summer, on the race tires.

There are a couple of things I would do if I was going to race it another season that would be legal, but you'll have to email me off list to get those.

In addition, it's going to be for sale very soon since I don't want to re-new the insurance, have 3 other bikes in the garage and I'm coming up to my 2nd year of retirement racing AFM and need to find a new racebike...

Tom Dorsey
AFM 10

stan23 · 11-28-2007, 01:45 AM

Quote:

Originally Posted by gilligan

I'm not the head tech guy anymore, but if you cover the hole, it has to be permanent, not just duct tape. Also, the pan has to hold a minimum of 3 quarts of fluid or the engine capacity (1.7l on the DRZ) for it to be legal. You might want to have Tazman check it out before the season starts...

If you go with all the engine mods, keep in mind the bike will be illegal in 2009 since the 2005 and earlier exceptions will be eliminated from the rule book. Personally, I'd leave it pretty close to stock because it's more reliable. It's still a single...

Mine is the (faster) yellow 2006 and is stock other than an K&N, jetting (on the Fastline dyno), an FMF header/Leo Vince slip-on, sprockets, Dunlop tires and other minor mods. Biggest improvement was having the suspension done by Ray Perez of RJP Suspensions (408-245-4888). I had it lowered internally 2" up front, 1" in the rear and re-valved/sprung for my weight and style using the stock shock. It's also licensed and I used it to commute on part of the summer, on the race tires.

There are a couple of things I would do if I was going to race it another season that would be legal, but you'll have to email me off list to get those.

In addition, it's going to be for sale very soon since I don't want to re-new the insurance, have 3 other bikes in the garage and I'm coming up to my 2nd year of retirement racing AFM and need to find a new racebike...

Tom Dorsey
AFM 10

Hi Tom, Thanks for chiming in and congrats on your 1st place finish in 250P.

The reason why I even want to do motor mods, is because I only really plan on doing this class for one year, and moving onto something else the following year. Regardless of what happens, I will still want to ride the DRZ in the street as my other motard is a time bomb

I'll email you for those tips and I'll talk to Ray about getting my forks redone.

Thanks again!

Dove · 11-28-2007, 01:56 AM

Quote:

Originally Posted by FrigginChi

Hooli won't like that!

Gold.

kenrock1000 · 11-28-2007, 04:11 AM

Quote:

Originally Posted by stan23

You saw how many blacks there were at the techday?

Mine has a little green in it

kenrock1000 · 11-28-2007, 04:13 AM

I know its not a performance mod...but maybe switch out the ACCT for a MCCT?

Its one of those piece of mind things, for me at least. I havent seen too many with it though,

reynolds_brad · 11-28-2007, 07:37 AM

If your going to tear all the way down into the bottom end to install ceramic bearings, put in a +5mm hotrod crank while your at it and add a SSW cylinder spacer, then choose from a assortment of bore kits.

take your time, its not like you dont have other bikes to play with. Have the head ported and valve seats enlarged by a few mm on both intake and exhaust, then run your Ecams and a FCR41.

In fact just pull your motor and send it to Sisneros Speed Works.

Papi-C · 11-28-2007, 07:56 AM

Quote:

Originally Posted by stan23

Other than the rule exception, I like the yellow. More specifically, I like the yellow/red combo. You saw how many blacks there were at the techday?

True it was like a motorcycle funeral LOL.

wikidklown · 11-28-2007, 09:38 AM

Nice Stan and congrats!

FrigginChi · 11-28-2007, 09:41 AM

This is the TRUTH!

stan23 · 11-28-2007, 03:20 PM

Bike is coming along.. Going through my suspension options now. I've already spoken with Ray Perez regarding setting up the bike, and for the price, it sounds like a real good deal! I've also outsourced an Ohlin's rear shock, and I may put that on this weekend.

reynolds_brad · 11-28-2007, 03:28 PM

Quote:

Originally Posted by stan23

Bike is coming along.. Going through my suspension options now. I've already spoken with Ray Perez regarding setting up the bike, and for the price, it sounds like a real good deal! I've also outsourced an Ohlin's rear shock, and I may put that on this weekend.

Rays a great guy.

Im interested to hear the outcome of his work on the DRZ.

stan23 · 11-28-2007, 04:28 PM

Quote:

Originally Posted by reynolds_brad

Rays a great guy.

Im interested to hear the outcome of his work on the DRZ.

Hey Brad, i'll probably just go with him. I was somewhat concerned about internally lowering the fork and shock, since this will still be a street bike, but he said it should be fine for street duty.

Also have an R6 throttle tube coming

SVsick50 · 11-28-2007, 04:47 PM

Can somebody post the very basic mods? Like jetting settings, 3X3 airbox mod, popluar exhaust choices, etc?

11-27-2007, 04:40 PM	#16
1kneedown born too slow Join Date: Sep 2004 Location: east bay Motorcycles: 4 Zooks and a Duc Name:	IC...that is a tough question, and probably one for the tech inspector to opine on. Try PM'ing Tom Dorsey, aka Gilligan, 250p champion (on a DRZ!) and former (maybe current) head tech inspector for the AFM. His contact info might be on the afm website as well and I think berto had a thread in the racers corner trying to get in touch with him too. basically....all roads lead to Dorsey. PS I'm pretty sure Dorsey's bike has nothing but a pipe, jet kit and some gearing changes. He's just friggin fast on a road course on that thing. And it is a hoot to race these things, I am going to get in more than 2 races next year I swear. __________________ Russell - AFM #946 ------------- My second trackday at Sears with CLASS schools and I was so proud to finally have scuffed a knee puck in T11, that is until Reg Pridmore made up an amusing anecdote for the entire group about how he broke his leg in a crash once and now one leg is shorter than the other so only one of his knees actually touches down as he races around the track.....several snickers around the room and eyes on yours truly....aka 1kneedown

11-28-2007, 04:13 AM	#22
kenrock1000 Im not dumb, Im 'tarded! Contributor Join Date: May 2007 Location: Hayward Motorcycles: 06' DRZ400SM Name: Kenny G	I know its not a performance mod...but maybe switch out the ACCT for a MCCT? Its one of those piece of mind things, for me at least. I havent seen too many with it though, __________________ Ive been 'Tarded http://www.myspace.com/kenrock1000

11-28-2007, 09:38 AM	#25
wikidklown Bike Killer Join Date: Feb 2006 Location: Milpitas Motorcycles: Waiting on the new one Name:	Nice Stan and congrats! __________________ I get it, no wonder I've always been "tardy".

11-28-2007, 09:41 AM	#26
FrigginChi Veteran Contributor ++ Join Date: Jul 2003 Location: San Jose Motorcycles: are for riding. Name: Chi	This is the TRUTH! __________________ EVOLUTION SUSPENSION & BIKEWORKS 408-453-6386 1585 NORTH 4TH STREET, SUITE M&O, SAN JOSE Tues-Fri 10am-6pm, Sat by appt. I have a lot of useful information, but I offer it at the most useless times www.myspace.com/fuckinchi

11-28-2007, 04:47 PM	#30
SVsick50 Veteran Mod Alumni Contributor Join Date: Feb 2003 Location: Prunetucky, Ca. Motorcycles: BMX, 1987 Honda Super Magna VF700C Name: Dion	The Ultimate DRZ-400SM Thread - Mods, Tips and Tricks Can somebody post the very basic mods? Like jetting settings, 3X3 airbox mod, popluar exhaust choices, etc? Last edited by SVsick50; 11-29-2007 at 06:51 AM..

11-28-2007, 07:37 AM	#23
reynolds_brad 50NUT Founding Member Contributor Join Date: Jul 2002 Location: San Francisco Motorcycles: Ducati Angrymoosetard Name: Really?	If your going to tear all the way down into the bottom end to install ceramic bearings, put in a +5mm hotrod crank while your at it and add a SSW cylinder spacer, then choose from a assortment of bore kits. take your time, its not like you dont have other bikes to play with. Have the head ported and valve seats enlarged by a few mm on both intake and exhaust, then run your Ecams and a FCR41. In fact just pull your motor and send it to Sisneros Speed Works.

11-28-2007, 03:20 PM	#27
stan23 Veteran Contributor + Join Date: May 2004 Location: San Jose Motorcycles: 2019 KTM 690 SMC-R Name: .	Bike is coming along.. Going through my suspension options now. I've already spoken with Ray Perez regarding setting up the bike, and for the price, it sounds like a real good deal! I've also outsourced an Ohlin's rear shock, and I may put that on this weekend.

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