Suspension upgrades (Progressive 465 shock and RaceTech fork springs) - Stromtrooper Forum : Suzuki V-Strom Motorcycle Forums
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post #1 of 21 Old 04-01-2013, 01:25 PM Thread Starter
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Suspension upgrades (Progressive 465 shock and RaceTech fork springs)

I finished the suspension upgrades to my Vee over the weekend and was able to take her out for a short ride to see how things felt. I'll update this thread once I've had some more seat time and experienced a wider variety of road conditions for a better evaluation.

The bike feels a lot more planted now and doesn't dive or porpoise when going over undulations in the road like it did before. Riding over some bumpier sections of pavement, I didn't notice a significantly harsher ride, but I could tell that things were firmer than before. Firm application of the brakes has significantly less front-end dive than before.

The rear shock is a nice improvement over the stocker, with a better spring rate and better damping to keep the rear end in line. I set the rebound damping at 3 (out of 5) and it seems like a pretty good fit for the riding I was doing. For the forks, I've simply put in a higher spring rate (.95kg/mm) with springs from Race Tech and 10wt fork oil from Motul. For budgetary reasons, I have held off on the gold valves for the time being. Sag is set at ~40mm front and rear.

It's hard to get a shot of the shock installed in the bike, but here's one of the RAP adjuster hiding in the passenger peg mount and the old shock in the foreground:


And here's a closeup of the top of the shock from the bike's left side:

[B]Bikes[/B]: 2005 Vee, 2007 GSXR-750, 2001 XR650R :mrgreen:

[B]Vee farkles thus far[/B]: LeoVince slip-on exhaust, PCV, Motech center stand, SV Racing front brake caliper upgrade, SS brake lines, Givi crash-bars, Givi trunk, RR Fork Brace, RR Mirror extensions, RR 2mm wheel spacer, RR GPS Windscreen mount, MadStad windshield bracket, Flush mount LED turn signals, heated grips, Kaoko throttle lock, RaceTech fork springs, Progressive 465 RAP shock, 43T rear sprocket, FZ-1 fuzeblock and cig lighter outlet :coolgleamA:
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post #2 of 21 Old 04-01-2013, 02:56 PM
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465 data sheet is wrong

The 465 is s very nice and cost-effective upgrade that provides a greatly improved ride. However, its stock spring is just barely adequate for 2-up riding with camping gear, at the bike's maximum carrying capacity.

Further, the data sheet says that the minimum spring length, with the 01-1004 spring, is 7.52", which leaves no room at all for any preload adjustment with the lock ring. It's already at that length with the ring fully backed out.

I contacted Progressive about that last July, and got a reply from Justin Barber. He said that the minimum spring length for this application is 7.40, and that they would change their install instructions to that effect.

Have the instructions been updated?
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post #3 of 21 Old 04-01-2013, 03:27 PM Thread Starter
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Quote:
Originally Posted by dtalk View Post
The 465 is s very nice and cost-effective upgrade that provides a greatly improved ride. However, its stock spring is just barely adequate for 2-up riding with camping gear, at the bike's maximum carrying capacity.

Further, the data sheet says that the minimum spring length, with the 01-1004 spring, is 7.52", which leaves no room at all for any preload adjustment with the lock ring. It's already at that length with the ring fully backed out.

I contacted Progressive about that last July, and got a reply from Justin Barber. He said that the minimum spring length for this application is 7.40, and that they would change their install instructions to that effect.

Have the instructions been updated?
I'll have to double check when I get home, as the minimum spring length is something I overlooked when I was setting the sag. I spun the locking collar down several threads in addition to upping the preload on the RAP in order to get to 40mm sag. I assume that having less than 7.40" of spring length could result in the spring being fully compressed before the suspension hits the end of it's stroke? That'd be a bummer...

[B]Bikes[/B]: 2005 Vee, 2007 GSXR-750, 2001 XR650R :mrgreen:

[B]Vee farkles thus far[/B]: LeoVince slip-on exhaust, PCV, Motech center stand, SV Racing front brake caliper upgrade, SS brake lines, Givi crash-bars, Givi trunk, RR Fork Brace, RR Mirror extensions, RR 2mm wheel spacer, RR GPS Windscreen mount, MadStad windshield bracket, Flush mount LED turn signals, heated grips, Kaoko throttle lock, RaceTech fork springs, Progressive 465 RAP shock, 43T rear sprocket, FZ-1 fuzeblock and cig lighter outlet :coolgleamA:
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post #4 of 21 Old 04-03-2013, 03:42 PM Thread Starter
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Sorry for the late response, dtalk. I checked the literature that came with my shock and it still has the 'old' information printed on it. "The installed spring length must never be set shorter than 7.52 inches"

[B]Bikes[/B]: 2005 Vee, 2007 GSXR-750, 2001 XR650R :mrgreen:

[B]Vee farkles thus far[/B]: LeoVince slip-on exhaust, PCV, Motech center stand, SV Racing front brake caliper upgrade, SS brake lines, Givi crash-bars, Givi trunk, RR Fork Brace, RR Mirror extensions, RR 2mm wheel spacer, RR GPS Windscreen mount, MadStad windshield bracket, Flush mount LED turn signals, heated grips, Kaoko throttle lock, RaceTech fork springs, Progressive 465 RAP shock, 43T rear sprocket, FZ-1 fuzeblock and cig lighter outlet :coolgleamA:
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post #5 of 21 Old 04-14-2013, 05:57 PM Thread Starter
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I finally took the Vee out for a proper suspension shakedown today up one of my favorite local twisty roads. I'm quite pleased with the new shock and fork springs, they definitely make the bike handle the way it ought to. It's much more planted in turns now and doesn't feel like a pogo stick after going over a dip in the road.

I let my friend ride it for a bit who has a stock-suspended Vee and he said it feels like a completely different bike, echoing my statements above. I think it's pretty hard to beat the progressive rear shock for the money, and I have to give another shout out to Blair at SV Racing parts for his advice on the fork springs.

Cheers.

[B]Bikes[/B]: 2005 Vee, 2007 GSXR-750, 2001 XR650R :mrgreen:

[B]Vee farkles thus far[/B]: LeoVince slip-on exhaust, PCV, Motech center stand, SV Racing front brake caliper upgrade, SS brake lines, Givi crash-bars, Givi trunk, RR Fork Brace, RR Mirror extensions, RR 2mm wheel spacer, RR GPS Windscreen mount, MadStad windshield bracket, Flush mount LED turn signals, heated grips, Kaoko throttle lock, RaceTech fork springs, Progressive 465 RAP shock, 43T rear sprocket, FZ-1 fuzeblock and cig lighter outlet :coolgleamA:
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post #6 of 21 Old 04-28-2013, 02:17 PM
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Can you get a close up picture of the RAP mounting point? I just received my spring and the mounting for the RAP looks wrong. It didn't come with any extra brackets. mt RAP has a flat side with four pre-drilled holes in the corners (not all the way through).

In no way does it look like it mounts in the factory area unless I am missing an extra bracket. Did they ship a wrong shock or miss putting an adapter bracket of some kind in the box?

The rider formerly known as ABStrom.
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post #7 of 21 Old 04-28-2013, 02:41 PM
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I installed the same shock about a month ago. I like the improvement, but a couple of days ago I noticed a metallic click/clunk coming from the area of the shock. Getting off the bike and looking at it, I can see that the bottom of the shock is able to move slightly left/right on the lower mount, even with the bolt torqued properly. With my hand I can push the bottom of the shock and the bushing slightly left/right.

The OEM shock allows the same movement at the bottom, but the difference seems to be with the design of the eye-bolt at the top. When the top mounting bolt is inserted into the OEM eye-bolt, it doesn't allow the top of the shock to pivot at all. The Progressive design allows the top of the shock to swivel somewhat on the mounting bolt. I figure it's this movement at the top that's causing the bottom of the shock to move and clunck. The OEM shock never made that noise.

It's the worst when I accelerate from a stop. Lot's of uncomfortable sounding metallic clicks/clunks...

I don't know what to do about this, so I'll call Progressive tomorrow and hopefully they have an answer.
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post #8 of 21 Old 04-28-2013, 02:45 PM
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Quote:
Originally Posted by Lovin' it Strom View Post
Can you get a close up picture of the RAP mounting point? I just received my spring and the mounting for the RAP looks wrong. It didn't come with any extra brackets. mt RAP has a flat side with four pre-drilled holes in the corners (not all the way through).

In no way does it look like it mounts in the factory area unless I am missing an extra bracket. Did they ship a wrong shock or miss putting an adapter bracket of some kind in the box?
They didn't ship you the bracket. There is a bracket that mounts to the 4 holes, then allows the RAP to be bolted in the same place the OEM unit was located.
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post #9 of 21 Old 04-28-2013, 03:01 PM
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Quote:
Originally Posted by sgifford View Post
They didn't ship you the bracket. There is a bracket that mounts to the 4 holes, then allows the RAP to be bolted in the same place the OEM unit was located.

Actually, I'm an idiot and didn't take apart all the folded cardboard the shock was packed with. I found the bracket, luckily, before disposal of the box.

The rider formerly known as ABStrom.
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post #10 of 21 Old 04-28-2013, 09:28 PM
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Quote:
Originally Posted by Lovin' it Strom View Post
Actually, I'm an idiot and didn't take apart all the folded cardboard the shock was packed with. I found the bracket, luckily, before disposal of the box.
If you still need photos, holler. I think I might have some from my 465 installation.

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