GPI radiators?

Idaho747
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Idaho747
Edited Date/Time 6/24/2019 5:26am
I have a radiator on my rmz that's pretty tweaked @although it's not leaking (yet). I'm wondering what experiences all of you have with GPI rads off of ebay. I am planning on reinforcing them a bit also. Going to do that part myself.
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OneTrack236
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OneTrack236 4/11/2017 5:14pm
4/11/2017 5:14pm
I put them on my 2011 RMZ 250 and have 10 hrs on bike and had ZERO issues!! My buddy got them and recommended them to me and he too has had no issues...
MXVet261
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MXVet261 4/11/2017 5:30pm
4/11/2017 5:30pm
I have them on 11 RMZ450 as well and have about 60 hours on them. No issues.

The one fitment issue is the left side radiator -- on the stock unit the bottom is curved and the radiator louver is curved underneath to match. Not so on the GPI or any of the cheapo aftermarket --- you will need to trim that side louver to fit.
JBecker 72
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JBecker 72 4/11/2017 5:39pm
4/11/2017 5:39pm
The ones I got for my 09 KTM 250SX fit pretty bad. I got them to work, but wasn't impressed honestly.

Have you considered having someone fix your bent one? Myler does good work.
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Hudweiser9
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Hudweiser9 4/11/2017 5:52pm
4/11/2017 5:52pm
I have them on my '85 Honda CR250R. 6 Months' + and still going strong. Fit was pretty good. The right side was a little close to the pipe (DG). Modified the mounting holes a bit with a dremel, all good.
ruskymx
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ruskymx 4/11/2017 6:08pm
4/11/2017 6:08pm
I just bought a pair for an 04 YZ 125 that I picked up and they fit OK. Not perfect by any means, but they fit. The worst fitment issue with mine is the right side, the bottom pipe coming out of the rad has a little too much angle on it for the hose to fit the way I would like and the way the OEM one fits. It has a slight kink in it but nothing that will stop flow.
byke
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byke 4/11/2017 6:29pm
4/11/2017 6:29pm
Mine bolted up fine, but the overflow tube needed to be bent down a little and it's coming close to being pinched. They didn't weld the radiator cap bung directly over the hole, so it's kind of a half-moon access hole to fill the radiator. I could grind it, but didn't want to risk any material making it into the cooling system, so I live with it. They're also pretty soft, but I have some works connection braces that keep them straight in minor tipovers. I bought the kit with the hoses and everything has worked great, no leaks and cooling seems improved. The bike would boil over a few times a year with the stockers and it hasn't boiled these in the 12mo or so since I've installed them. Quality is nowhere near OEM, but overall I think they're a good value and I'd buy them again.
JWACK
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JWACK 4/11/2017 6:56pm
4/11/2017 6:56pm
Bolted right up to my cr 250. Going on 6 years no issues.
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langhammx
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langhammx 4/11/2017 7:31pm
4/11/2017 7:31pm
Idaho747 wrote:
I have a radiator on my rmz that's pretty tweaked @although it's not leaking (yet). I'm wondering what experiences all of you have with GPI rads...
I have a radiator on my rmz that's pretty tweaked @although it's not leaking (yet). I'm wondering what experiences all of you have with GPI rads off of ebay. I am planning on reinforcing them a bit also. Going to do that part myself.
Chinese radiators are not the best. If I were you, I'd spend $150 and buy the radiators that were on Milsaps bike
http://www.ebay.com/itm/172039376793?_trksid=p2055119.m1438.l2649&ssPag…

Stock/straight radiators that have been welded/ braced. He has some other nice parts, if you're in the market for anything.
FWYT
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FWYT 4/11/2017 8:33pm
4/11/2017 8:33pm
Had a set on my KTM 200 and they were the worst pieces of shit ever. Fit like crap, finish
work was pre-school at best and both sides broke. Fugging garbage.

Got a set of Myler's radiators and they seem to be doing fine. Plus, they are actual people you can talk to and they
stand behind their product.

But I've also been keeping an eye out on ebay and have managed to get another set of
OEM radiators in great shape for cheap. That of course took some time so you can't be just guaranteed to get them before next weekend's race or whatever, which is why I did it ahead of time.

If I was you, I'd look for OEM on ebay and if needed, send it to Myler's or another good shop for repair/bracing, etc.
Idaho747
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Idaho747 4/11/2017 8:44pm
4/11/2017 8:44pm
The radiator that's tweaked is a myler that I ordered from Rocky mountain
chad_111
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chad_111 4/11/2017 8:52pm
4/11/2017 8:52pm
I got a set for my rmz 450 and they worked good for the year that i had the bike for, like pitracer said, i also had to trim the left louver, but besides that fitup was good.
tempura
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tempura 4/11/2017 9:31pm
4/11/2017 9:31pm Edited Date/Time 4/12/2017 12:08am
Fit wasn't perfect (as they are oversized) but not too bad.
Haven't had any issues with them, and have dropped the bike a few times.
They are Chinese, so quality can generally be hit and miss, but saying that quite a few people have had no major issues with them.
SeaClassExpert 4/11/2017 10:03pm
4/11/2017 10:03pm
I've ordered 2 sets from them. Both fit perfectly, came shipped within like 3 days and never failed.

Having said that, I'd buy the ones that Langham linked to that are already welded and braced, that's a hell of a deal.
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Jake_CR250R
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Jake_CR250R 4/11/2017 10:25pm
4/11/2017 10:25pm
I've had a set for over 2 years and they've been great except the mounting brackets weld just recently cracked. The problem is that they are pulse welded which leads to a weaker weld and more susceptible to cracking. I just had it rewelded though and they're good to go.
Travis_Hudson
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Travis_Hudson 4/11/2017 10:32pm
4/11/2017 10:32pm
I bought a set. Had my welder buddy put some cross braces on. Straight titties.

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Mr Happy
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Mr Happy 4/12/2017 3:56am
4/12/2017 3:56am
Bought some for a CR250 as a place holder while waiting the 4-6 weeks for GMX to make a set. The lower spigot on the left hand rad fouled the frame so we had to tweak that to get it to fit. Filled the system and the right hand rad leaked. Then getting a refund out of them was a nightmare. Maybe I got the one duff set although I'll certainly never bother with them again.
MyersAvionics 4/12/2017 7:04am
4/12/2017 7:04am
I used a set on my 14 Husaberg TE250 and they fit quite well and the radiator braces fit right up. I just got a new 250FX and the radiators were tweaked enough to where the bullet proof braces wouldn't fit. I purchased the GPI radiators again based on the good performance of the last set i purchased. This set looks even better and the braces, again, fit perfectly. Nothing but good things to say about them.

I was also impressed with the shipping time. Ordered them Thursday last week and received them yesterday.
lumpy790
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lumpy790 4/12/2017 9:45am
4/12/2017 9:45am Edited Date/Time 4/12/2017 9:46am
langhammx wrote:
This is another guy who parts out Brand New bikes

Not sure if you have a 250 or 450, but they are both available

http://www.ebay.com/itm/New-2013-2016-Suzuki-RMZ250-OEM-Right-Radiator-…

http://www.ebay.com/itm/New-2013-2016-Suzuki-RMZ250-OEM-Left-Radiator-S…
Langhammx the RM250 smoker radiators you special ordered are still here
tcallahan707
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tcallahan707 4/12/2017 10:49am
4/12/2017 10:49am
Had a set on a 13 KX450, no issues. Tried a set on a 15 CRF450, absolute garbage fit.
Sidecar
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Sidecar 4/12/2017 11:23am
4/12/2017 11:23am
I run a set on the sidecar, it takes standard KX500 rads so I bought the over size to help with cooling, they are great now they are fitted and into season number 3.... The initial fitting however was at least 4-5 hours of try, tweak, try again, re tweak etc.
Sidecar
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Sidecar 4/12/2017 11:27am
4/12/2017 11:27am


Photo I took during the winter re build.
Hammer 663s
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Hammer 663s 4/12/2017 11:30am
4/12/2017 11:30am
Idaho747 wrote:
I have a radiator on my rmz that's pretty tweaked @although it's not leaking (yet). I'm wondering what experiences all of you have with GPI rads...
I have a radiator on my rmz that's pretty tweaked @although it's not leaking (yet). I'm wondering what experiences all of you have with GPI rads off of ebay. I am planning on reinforcing them a bit also. Going to do that part myself.
I have a set I'll sell you cheap. Been sitting on the shelf since I sold the RMZ and got a CRF. Left one minor tweak, right one new, no leaks, and fit good. Way better than stock.

Hammer 663s
PTshox
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PTshox 4/12/2017 11:44am
4/12/2017 11:44am
I've used 2 sets... One fit fine (CRF250) the other for an RMZ250 had a small problem with the vent hose location on the rad cap. The vent hose tube would hit the tripple clamps when all the way turned.

I think they are a great deal for the price. And if you have someone that can weld al small adjustments are easy to do...
. I just bought a TIG welder and need to learn to weld AL. If I can figure that out I'd buy these and modify them. Ad volume to one side at the bottom and cross bracing. Currently running Devol braces on both sets and the work well.
Pjeir
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Pjeir 6/16/2019 10:03am
6/16/2019 10:03am
GPI racing or all other aluminium cheap radiators from ebay/amazon.... These are shit radiators, they leak from the moment when they are installed. No reply when contacting them. They are not made the same as oem considering flow, pressure, and cooling requirements. Cut them open and you see the difference in build quality.
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1
Hammer 663s
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Hammer 663s 6/16/2019 3:04pm
6/16/2019 3:04pm
Pjeir wrote:
GPI racing or all other aluminium cheap radiators from ebay/amazon.... These are shit radiators, they leak from the moment when they are installed. No reply when...
GPI racing or all other aluminium cheap radiators from ebay/amazon.... These are shit radiators, they leak from the moment when they are installed. No reply when contacting them. They are not made the same as oem considering flow, pressure, and cooling requirements. Cut them open and you see the difference in build quality.
I've had 3 different sets on 05 ands 13 CRFs and a 10 RMZ and they all worked just fine. No leaks, decent fit, no cooling issues. 100+ hours on all 3 of the bikes. Yes, they are cheap Chinese made, but they worked well and I ran them in NorCal with raceday temps of well over 100 degrees F. I'll buy them again.
FWYT
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FWYT 6/16/2019 4:42pm
6/16/2019 4:42pm
Pjeir wrote:
GPI racing or all other aluminium cheap radiators from ebay/amazon.... These are shit radiators, they leak from the moment when they are installed. No reply when...
GPI racing or all other aluminium cheap radiators from ebay/amazon.... These are shit radiators, they leak from the moment when they are installed. No reply when contacting them. They are not made the same as oem considering flow, pressure, and cooling requirements. Cut them open and you see the difference in build quality.
Yep. Just total pieces of shit. Garbage.

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