Lowering Front, Rear, and Kickstand with Lowering Link - Drop 2004 CBR 600RR : Honda CBR 600RR Sportbike Forum : 600RR.Net

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Old 03-27-2008, 01:14 AM   #1
Jonas77
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Lowering Front, Rear, and Kickstand with Lowering Link - Drop 2004 CBR 600RR

PART 1 - Lowering Front, Rear, and Kickstand with Lowering Link - Drop 2004 CBR 600RR

WARNING!! Use at your own discretion!
Procedure: Not that simple, but effective

Prerequesites
It is important that you measure the kickstand height off the ground at the pivoting point (top bolt of stand) while the motorcyle is perpendicular to the ground with both wheels touching the ground. This will help on calculating how much to cut off the stand once the bike is lowered. See figure S1.1



Requirements:
-Some technical skills
-Patience

Components Used:
The information in this procedure requires these hardware devices:
-Lowering link (purchased for $80.00 at ebay)
-Locktite ($5.00 at Home Depot on the paint section)
-Rear bike stand
-Jack (I used the jack for my car, but any adjustable jacks will do)
-Flat head and Phillips screw driver
-Allen wrench size:aw10 and aw4
-Sockets: 17mm, 12mm, and 10mm
-Torque wrench
-Block of 2x4
-Pliers

Note: Safety is to be taken at all times when doing this procedure. It is an advantage to have another person working with you to ensure safety. I always have a fire extinguisher at reach when working on cars and motorcycles. I also have a cell phone and a cordless phone with me at all times in case anyhting happens. If you are doing this procedure by yourself, let someone know what you are doing, where you are, and how long it will take so they can call to check on you if you take longer.

Last edited by Jonas77; 03-27-2008 at 09:51 PM. Reason: add pictures
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Old 03-27-2008, 01:16 AM   #2
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PART 2 - Lowering Front, Rear, and Kickstand with Lowering Link - Drop 2004 CBR 600RR

Preparation for the REAR

STEP 01 - Put the motorcycle on the front stand (optional) and rear stand. See figure 1.1



STEP 02 - Take off the lower fairing and the side fairings. These are held by the bolts pointed out in figure 2.1 "Fairing
Bolts"


Last edited by Jonas77; 03-27-2008 at 09:52 PM. Reason: Added pictures
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Old 03-27-2008, 01:19 AM   #3
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PART 3 - Lowering Front, Rear, and Kickstand with Lowering Link - Drop 2004 CBR 600RR

Installing the lowering Link

STEP 03 - Attach the jack stand with a 4x2 wood on top of the stand to the bottom of the oil pan and jack the motorcycle
up until you put some pressure on it and the motorcycle slightly moves up. See figure 3.1



Note: Ensure that you do not raise the bike off the front and rear stands.

STEP 04 - The rear link is supported by two bolts (front and rear). Remove the stock link using a 17mm socket to hold the
nuts on the passanger side. Use an aw10 to remove the front bolt and a 12mm to remove the rear bolt on the driver side. See figure R4.1



Note: You can relieve pressure on the bolts by adjusting the jack. Tap the bolts out from the passenger side with a hammer. If it is too hard to take out the bolts, readjust the jack to relieve pressure on the bolts.

STEP 05 - With the stock link detached from the motorcycle, slide out the metal barrel from the stock link. You will need this for the lowering link. See figure R5.1



STEP 06 - Put the lowering link together using the metal barrel from the stock part and the metal sleeve over it. See figure R6.1



Note: The metal barrel did not fit on one of the lowering link bars so I had to tap it in with a hammer over a piece of cloth.

STEP 07 - Install the lowering link to the motorcycle attaching the front first. See figure R7.1



Note: The link was 0.5mm too long so I had to shave some off on the metal sleeve (the old school way) by scraping it on
the ground. See figure R7.2



STEP 08 - Clean out the nuts and bolts and apply Locktite to the threads. See figure R8.1



STEP 09 - Install the front bolt and nut, but do not tighten it yet.

STEp 10 - Size up the links to the rear hole. See figure R10.1



STEP 11 - Lower the jack stand until your desired whole (1" or 3") is lined up.

STEP 12 - Install the rear link bolt. See figure R12.1



Note: The rear bolt should slide in smoothly. If the bolt does not slide in smoothly, adjust the jack until it does. There is also a metal barrel for the rear bolt. Make sure that the metal barrel stays on the motorcycle when installing the rear
bolt. See figure R12.2 TBD

STEP 13 - Tighten both of the bolts to the following torque specs: 44 N-m (4.5kgf-m, 33lbf-ft).

STEP 14 - Adjust the REAR to increase the COMPRESSION and REBOUND DAMPING adjusters. I have increased mine to "full hard position" See figure R14.1



Turn the compression adjuster clockwise until it stops (full hard position). Then turn the adjuster counterclockwise.

COMPRESSION ADJUSTER STANDARD POSITION:
7 clicks out fom full hard
Turn the rebound adjuster clockwise until it stops (full hard position). Then turn the adjuster counterclockwise.

REBOUND ADJUSTER STANDARD POSITION:
1 -3/4 turns out fom full hard
Note: Do not turn the adjusters more than the given positions or the adjusters may be damaged.

DIRECTION H: Increase the damping force
DIRECTION S: Decrease the damping force

STEP 14 - You are done with the rear!

Last edited by Jonas77; 03-27-2008 at 09:53 PM. Reason: Added Pictures
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Old 03-27-2008, 01:44 AM   #4
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Part 4 - Lowering Front, Rear, and Kickstand with Lowering Link - Drop 2004 CBR 600RR

Preparation for the FRONT

STEP 01 - Put the motorcycle on the rear stand only and a jack under the oil pan.


Lowering the front

STEP 02 - Ensure that the jack has only enough pressure on the oil pan without raising the bike off the rear stands.

STEP 03 - Remove the Air Ducts on both sides of the motorcycle.

Note: I took out three pieces on the passenger side and only two pieces on the driver side since there were wire attached to the thrird piece on the driver side.

STEP 04 - The front fork tubes are supported by four clamps with two pinch bolts on each clamp (12mm). See figure f4.1 and f4.2




STEP 05 - Measure the tubes on top of the triple tree so you can reference stock height.

STEP 06 - Loosen the upper and lower pinch bolts and lower the jack until you get the desired height for the front (1" or 3") measured on the top of the triple tree.

Note: Ensure that both fork tubes are at the same height. See Figure F6.1


STEP 07 - Tighten the eight bolts to the following torque specs: Top Pinch Bolts 23 N-m (2.3 kgf-m, 17 lbf-ft), Bottom pinch bolts 27 N-m (2.7 kgf-m, 20 lbf-ft).

STEP 08 - Install the air ducts back.

STEP 09 - Lower the jack and remove it.

Note: Depending on how much you lower the motorcycle, you may have to lift it up to take the jack stand out.

STEP 10 - check the clearance level of the front wheel and the front fender by turning it left and right making sure that
there is enough spac.

STEP 11 - Adjust the front to increase the COMPRESSION and REBOUND DAMPING adjusters. I have increased mine to "full hard position". See figure F11.1 an F11.2



Turn the compression adjuster clockwise until it stops (full hard position). Then turn the adjuster counterclockwise.

COMPRESSION ADJUSTER STANDARD POSITION:
2 turns out fom full hard

Turn the rebound adjuster clockwise until it stops (full hard position). Then turn the adjuster counterclockwise.

REBOUND ADJUSTER STANDARD POSITION:
2 -1/2 turns out fom full hard

PRELOAD ADJUSTER ADJUSTABLE RANGE:
6-21mm (0.2-0.8in) from top of fork bolt

PRELOAD ADJUSTER STANDARD POSITION:
14mm (0.6): 4th groove from top of fork bolt

Note: Do not turn the adjusters more than the given positions or the adjusters may be damaged.

DIRECTION H: Increase the damping force
DIRECTION S: Decrease the damping force

STEP 12 - Install fairing
STEP 13 - Front Complete!

Last edited by Jonas77; 03-28-2008 at 10:07 PM. Reason: Added Pictures
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Old 03-27-2008, 01:46 AM   #5
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Part 5 - Lowering Front, Rear, and Kickstand with Lowering Link - Drop 2004 CBR 600R

Lowering the kickstand (See figure S1.1 for reference)



STEP 01 - With both the front and back lowered, measure the kickstand height off the ground at the same pivoting point
(top bolt of stand) while the motorcyle is perpendicular to the ground with both wheels touching the ground.
Note: You may have to put the kickstand up as the motorcycle may no be able to stand upright with the stand down.

STEP 02 - Compare the measurement to the intitial measurement on the prerequisite to get the "height difference."

STEP 03 - Measure the "height difference" from the bottom of the kickstand perpendicular to the ground.

STEP 04 - Mark the kickstand on where the cut should be.

|__/ << this is where to mark the cut
measure drop height >> | /
perpendicular to stand |/ << stand on down position

STEP 05 - Take out the spring holding the stand with a pair of pliers.

STEP 06 - Remove the bolt securing the kickstand sensor.

Note: There is a small rubber piece between the sensor and the stand. Do not lose this part.

STEP 07 - Remove the bolt securing the shift lever.

STEP 08 - Take the kickstand to a welding shop to have it shortened. ($40.00)

STEP 09 - Install the kickstand on the reverse order (Step 7 - Step 5)

STEP 10 - Stand Complete!

>>>FIGURE IMAGES ARE ON MY IMAGES. CLICK HERE!<<<

Congratulations! You now have lowered your motorcycle! Ride safe to ensure proper height adjustment level and adjust as necessary..

Last edited by Jonas77; 03-27-2008 at 09:56 PM.
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Old 03-27-2008, 01:54 AM   #6
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My Notes

Before




After




NOTES:

Lowering the bike 3" gave a very comfortable stance while on the bike. I am 5'6" and I was able to put both my feet flat on the ground.

Riding the bike was another issue. I go over a very small dip on the road (.25") and the front bottoms out. It did not have any play on the front at all. The back was alright, but it also felt bouncy and unsafe to ride.

Therefore, I have raised the bike, rode it around and everything is much better. The bike does not bottom out any longer. The ride is not stiff at all and the handling is excellent.

Settings:

REAR - 1" drop on the lowering link (brought the bike down to 1.5")
REAR COMPRESSION ADJUSTER - 3 clicks out fom full hard.
REAR REBOUND ADJUSTER - 1 turn out fom full hard.

FRONT - 1.5" fork tube raised from the triple tree.
FR COMPRESSION ADJUSTER - 1 turn out fom full hard.
FR REBOUND ADJUSTER - 1 turn out fom full hard.
FR PRELOAD ADJUSTER - Standard Position - 14mm (0.6): 4th groove from top of fork bolt.

KICKSTAND - 2" cut from the bottom.

Last edited by Jonas77; 04-09-2008 at 05:22 PM.
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Old 03-29-2008, 01:33 AM   #7
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i think it looks sweet lowered like that... i dno if it would be worth the loss in handling but none the less great write up and good job!
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Old 03-31-2008, 11:14 PM   #8
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It does look pretty good lowered, but fine-tuning the handling is pretty much out of the question. That thing must ride pretty rough with the compression and rebound set full hard.

Overall I think it's a great write-up for lowering a 600RR, so good work dude. This should be a sticky.
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How to install 05-06 forks on an 03-04 600RR
http://www.600rr.net/vb/showthread.php?t=101981
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Old 04-24-2008, 08:46 PM   #9
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05+ front end lowering?

has anyone lowered the front end of an 05? Is it even possible? From what I can tell the inverted forks are wider where they meet the tree only, so it can't be done.
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Old 04-29-2008, 01:17 AM   #10
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Great job!!! Many people're looking for this! Well done
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Old 06-14-2010, 01:29 PM   #11
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Great tutorial fella!
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Old 08-09-2010, 05:32 PM   #12
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just figured I'd let ya know when you search "600rr" into google this bike pops up
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Old 10-03-2010, 12:12 AM   #13
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holy crap look at those forks.... you could poke an eye out with those tubes bwhahaha J/K
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Old 10-07-2010, 10:44 PM   #14
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recently bought an 03 600rr, it's all blue by the way. with stock height, i was tippy-toeing, so I lowered the rear an inch with CBR lowering link, my feet were still not flat on the ground, but felt much better. Didn't really mess with the front cuz I thought it would be enough, but today i was trying to back up sitting on the bike, i was really having trouble doing that. I'm 5'6" and can't really push the bike back with my feet. after some deep thinking, figured lowering the front should help a little bit. Great tutorial here Jonas77. will definitely try it out tomorrow to see how it feels. and does anybody have any suggestions for aftermarket seats? I heard that the stock seats are a bit wide and has alot of cushioning in it. thx in advance.
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Old 01-07-2011, 09:53 PM   #15
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that doesnt look to hard
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Old 06-21-2011, 02:00 AM   #16
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Sorry to bring this old thread up, but I'm trying to de-lower my bike and I'm almost positive my front's lowered at least 2 inches, I'm also pretty sure the rear is lowered 3".

But the front wasn't lowered in the way you did it. Can you lower it with the "triple tree" below the...actual triple tree? I don't know the name for it. It's silver/metal holding the forks. Is that another way to lower the front?

BTW its a 2003.
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Old 06-21-2011, 02:20 AM   #17
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Also, what is the stock length of the forks over the triple tree? Or the stock length from the triple tree to the 2nd tree (the metal one?)
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Old 06-28-2011, 08:50 PM   #18
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Im 5'6 as well, but no way lowering is worth the decrease effectiveness of the overall handling of the bike
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Old 04-11-2012, 07:14 AM   #19
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Quote:
Originally Posted by Jonas77 View Post
Preparation for the FRONT

Turn the compression adjuster clockwise until it stops (full hard position). Then turn the adjuster counterclockwise.

COMPRESSION ADJUSTER STANDARD POSITION:
2 turns out fom full hard

Turn the rebound adjuster clockwise until it stops (full hard position). Then turn the adjuster counterclockwise.

REBOUND ADJUSTER STANDARD POSITION:
2 -1/2 turns out fom full hard
Explain the turns please, do you mean full cycle, half turn etc? ..or by the notch on the screw?
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Old 04-25-2012, 11:20 AM   #20
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Hey, I've read elsewhere that the subframe needs to be supported doing this, is that true? It looks like it's not being supported in this write up, maybe we don't have to for this bike? Thanks!
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Old 09-15-2012, 10:14 AM   #21
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Just did this over the weekend. Definitely can be done by one person but having the extra hand for working from both sides at the same time makes a big difference..also for safety :-). Was able to do this with a bike jack for the middle and only a front stand with no problem. Awesome write up dude, thanks.
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Old 09-16-2012, 04:55 PM   #22
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Always wondered if lowered bikes bottomed out. Now I know.

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Old 11-28-2012, 05:50 PM   #23
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I'm about to use this tutorial to raise my CBR to stock height :)
Bought it lowered, suspension settings are FUBARed
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Old 02-01-2013, 09:18 AM   #24
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Raising to stock height was a breeze with this....thanks again! Feels like a totally different bike I love it
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Old 03-14-2013, 01:03 PM   #25
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Lowering Front, Rear, and Kickstand with Lowering Link - Drop 2004 CBR 600RR

Excellent write up Jonas77!
With my buddy Morris and your post, this job was a piece of cake,
Thanks again.
Cheers!


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