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TOPIC: Rear Shock Absorber Upgrade - Best to Worst

Rear Shock Absorber Upgrade - Best to Worst 12 Dec 2015 10:42 #702849

  • redhawk4
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I'd like to upgrade my rear shocks at some point when I fall over the right deal, but at the same time I don't see me ever spending $800 on Ohlins or similar given how much I have in to the rest of the bike and what I need versus what I might like. So I thought it would be useful to try to grade the alternatives in some sort of order of how good they actually are. For example of the ones I have some familiarity with:

1) Ohlins

2) Hagon

3) Progressive

4) Sportster Shocks?

Middle ground) I'm interested in experiences people have had with some of the replica shocks or anything else that works

Last place) Probably the 30-40 year old originals, although I've heard some bad reviews on some of the Chinese ones with problems including actual breakages.

If we could formulate some sort of reference list, I think it would be a useful resource as it is one modification/repair that is very common. On my KZ650 I upgraded with some Sportster shocks, nothing special, but they were better than the stock ones and being brand new had nice chrome. It would be handy to know the options from the cheapest to the more expensive in terms of bang for your buck and then be able to decide where on the list you budget lies.
1978 KZ1000A2 Wiseco 1075 kit
1977 KZ650B1
1973 Triumph Tiger TR7V
1968 BSA Victor Special 441
2015 Triumph Thunderbird LT
1980 Suzuki SP400

Old enough to know better, still too young to care

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Last edit: by redhawk4.

Rear Shock Absorber Upgrade - Best to Worst 12 Dec 2015 10:55 #702850

  • ajsfirehawk
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I"m very happy with the Hagons on my KZ650 D2. I moved up from stock, much more connected to the road. I'm pleased with the cost/improvement benefit.
79 KZ650 SR
80 KZ1000 Z1 Classic
83 KZ1100 LTD
06 ZG1000 Concours
02 Trans Am ... not enough time

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Rear Shock Absorber Upgrade - Best to Worst 12 Dec 2015 10:56 #702851

  • DFIGPZ
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Bang for the buck its is hard to beat progressive and most riders cannot benefit from more expensive shocks now if you have 1,000s in upgrades including frame bracing modern wheels , tires etc then if you feel you can use them which 90% cannot then I would say spend the coin. also if interested I have a like new set of take off chrome progressives that measure 13 1/4 center to center I am going to list for sale if interested.
1984 GPZ 1100
1170 wiesco 10.5 cr
Larry Cavanaugh head
Bored Throttle bodies
Web .415in cams
Kerker K2 with comp baffle
RC Hp inj
Pogue Adj Regulator

VITON VALVE SEALS $22.00 SET OF 8 SHIPPED TO LOWER 48 PM ME.

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Rear Shock Absorber Upgrade - Best to Worst 12 Dec 2015 11:00 #702852

  • 650ed
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I put Hagons on my KZ650-C1 8 years / 15,000 miles ago. They still work and look like new. I REALLY like them! Ed
1977 KZ650-C1 Original Owner - Stock (with additional invisible FIAMM horn)

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Rear Shock Absorber Upgrade - Best to Worst 12 Dec 2015 11:11 #702853

  • redhawk4
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I have Hagons on my Triumph, but they were fitted by the PO (thankfully seeing the price) so I have nothing to compare them to in the same context, even though they seem to ride and handle nicely.
1978 KZ1000A2 Wiseco 1075 kit
1977 KZ650B1
1973 Triumph Tiger TR7V
1968 BSA Victor Special 441
2015 Triumph Thunderbird LT
1980 Suzuki SP400

Old enough to know better, still too young to care

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Last edit: by redhawk4.

Rear Shock Absorber Upgrade - Best to Worst 12 Dec 2015 11:43 #702857

  • SWest
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I bought these because of the price. I wanted duel rate shocks. Very happy with them. I had stock replicas and before that I had HP progressive shocks. They were too tall. I bought the copies and felt like I was on a pogo going through the turns.
Steve


Z1b1000 1975 Z1b
Opinions expressed by me do not reflect those of the the staff or members
kzrider.com/forum/11-projects/598262-kz-...-will-it-live#672882
kzrider.com/forum/2-engine/597654-poser?start=240#704229
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Rear Shock Absorber Upgrade - Best to Worst 12 Dec 2015 12:10 #702861

  • Nessism
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YSS shocks come in a variety of options, several of which are reasonably priced. Works shocks also come in different options but all are quite expensive.

I've vote for Progressives as best value overall, partly because they are tried and true. I know several guys that ordered Hagons, supposedly customized to their needs, and they feel they are quite stiff.

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Rear Shock Absorber Upgrade - Best to Worst 12 Dec 2015 16:14 #702880

  • 80B4
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I found a pair of Koni shocks for my 750 twin and paid $100 for them. Ikon took over production of the Koni motorcycle shocks a few years ago and their importer sells the rebuild kits. New Ikons are in the $300-400 range.
1980B4 1000
1978 Z1R
1978 B3 750

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Rear Shock Absorber Upgrade - Best to Worst 12 Dec 2015 16:19 #702883

  • JaFlo
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I just got the cheap Chinese eBay piggyback reservoir shocks. I had them rebuilt and modified by CL MotoTech. $250 total including the price of the shocks. I have not got to ride on them yet, but they seem legit. I wouldn't recommend these shocks without the rebuild service.

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Rear Shock Absorber Upgrade - Best to Worst 12 Dec 2015 16:24 #702884

  • etbike3135
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Almost quit riding because of progressive shocks. They absolutely SUCK! I would rather ride with an old set of stockers with no oil in them then those. Every time I got on the bike it rode hard and bounced over bumps . This was after buying them new and having them custom set to my weight. I had the standards and air shocks.
I now use ZRX shocks on my 2 KZ riders and LOVE them.
1973 Kawasaki Z1
18 years in dragbikes

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Rear Shock Absorber Upgrade - Best to Worst 12 Dec 2015 20:17 #702905

  • redhawk4
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I like the look of the ZRX shocks on the KZ's and I'm sure they are a good unit, but all the ones I see for sale are $250-$350 a pair, that's a lot to pay for used IMO. Also they don't fit with the stock bushes do they?

I quite like the idea of going with something that has that obvious "not stock" look if I'm not going with a stock or regular replacement, something that looks like a performance upgrade .
1978 KZ1000A2 Wiseco 1075 kit
1977 KZ650B1
1973 Triumph Tiger TR7V
1968 BSA Victor Special 441
2015 Triumph Thunderbird LT
1980 Suzuki SP400

Old enough to know better, still too young to care

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Last edit: by redhawk4.

Rear Shock Absorber Upgrade - Best to Worst 14 Dec 2015 04:59 #703062

  • mrdatsunturbo
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Look here what happen to my HD shocks when i was cruising here in Norway. There was a hole in the road not big but big enough.
Bike is a Z1R turbo

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Attachment IMG_0106.jpg not found

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Rear Shock Absorber Upgrade - Best to Worst 14 Dec 2015 05:10 #703063

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What brand?
Steve
Z1b1000 1975 Z1b
Opinions expressed by me do not reflect those of the the staff or members
kzrider.com/forum/11-projects/598262-kz-...-will-it-live#672882
kzrider.com/forum/2-engine/597654-poser?start=240#704229

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Rear Shock Absorber Upgrade - Best to Worst 14 Dec 2015 06:22 #703076

  • mrdatsunturbo
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i buyed this shocks from a Harley so i Guess it is OEM HD.They looks New and i was happy With Comfort
So the only sign is this numbers :(

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Rear Shock Absorber Upgrade - Best to Worst 14 Dec 2015 06:30 #703077

  • SWest
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Are parts for Hogs really made in CHINA?
Steve
Z1b1000 1975 Z1b
Opinions expressed by me do not reflect those of the the staff or members
kzrider.com/forum/11-projects/598262-kz-...-will-it-live#672882
kzrider.com/forum/2-engine/597654-poser?start=240#704229

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Rear Shock Absorber Upgrade - Best to Worst 14 Dec 2015 07:14 #703080

  • Kidkawie
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redhawk4 wrote: I like the look of the ZRX shocks on the KZ's and I'm sure they are a good unit, but all the ones I see for sale are $250-$350 a pair, that's a lot to pay for used IMO. Also they don't fit with the stock bushes do they?

I quite like the idea of going with something that has that obvious "not stock" look if I'm not going with a stock or regular replacement, something that looks like a performance upgrade .


I really like the ZRX shocks on my Z1. I still need to address the forks, but it's Suspension 101 to improve front and rear for best performance. But the ZRX shocks (freshly rebuilt) ride nice and plush.

There IS an Achilles Heel to the ZRX shocks and that's finding replacement parts. I didn't try KYB direct but looked everywhere for replacement bladders. I found one like 15mm longer, used on some MX bikes, fit fine so I went with it. There are some suspension shops that specialize in these shocks and I would recommend using them if someone needed a set rebuilt.

I also lowered modified the upper spring preload to accomodate the Z1.

1975 Z1 900
1994 KX250 Showroom Resto
2004 KX125

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Rear Shock Absorber Upgrade - Best to Worst 14 Dec 2015 09:08 #703087

  • Kapahulu
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Koni's and Ikons are great. Here's my KZ900 with Koni's
1978 KZ1000, 1976 KZ900, 1975 H2, 1973 H1, 1973 H2, 1978 RD400, 1977 RD400, 1974 RD350
2strokeworld.com

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Rear Shock Absorber Upgrade - Best to Worst 14 Dec 2015 09:21 #703090

  • pete greek1
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Kapahulu wrote: Koni's and Ikons are great. Here's my KZ900 with Koni's


How do you like that pipe? I bought one for my 900 a couple of yrs. ago but haven't started my rebuild yet, cant wait to hear it
Pete
1980 LTD 1000..,1976 LTD 900, have the 1000&900 now. the rest are previous= 1978 KZ 650 B.., 1980 Yamaha XT 500..,1978 Yamaha DT 400.., 1977 Yamaha yz 80..,Honda trail ct 70.., Honda QA 50...5-1/2 hp brigs & straton CAT chopper mini bike...3-1/2 hp mini bike (WHEN GAS WAS ABOUT 45 CENTS A...

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Rear Shock Absorber Upgrade - Best to Worst 14 Dec 2015 09:41 #703095

  • Tyrell Corp
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JaFlo wrote: I just got the cheap Chinese eBay piggyback reservoir shocks. I had them rebuilt and modified by CL MotoTech. $250 total including the price of the shocks. I have not got to ride on them yet, but they seem legit. I wouldn't recommend these shocks without the rebuild service.

Attachment image-37.jpg not found


Some of the Chink piggy backs look cool but (I've read elsewhere) are originally intended for snowmobiles so need setting up properly. also there has been some reported failures in the castings. There was a guy on ebay uk selling quite a few but seems to have discontinued now...

I have a set of ohlins piggybacks, but at nearly £700 a pair I probably won't be buying again. The YSS remotes look nice, Koni or UK Hagon I'll be looking at next.



ps That pipe looks ace, the thin diameter tail and shortness looks LOUD!
1980 Gpz550 D1, 1981 GPz550 D1. 1982 GPz750R1. 1983 z1000R R2. all four aces

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Rear Shock Absorber Upgrade - Best to Worst 14 Dec 2015 10:23 #703103

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