New Here (GRC-RSR) - Page 2 - Pocket Bike Forum - Mini Bikes
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post #21 of 33 (permalink) Old 3 Weeks Ago
Re: New Here (GRC-RSR)

My GRC-GP avatar bike had no body work when I got it, I put a new full body set for an MT-A2 Cag, was $ 80 then, but they are asking a lot more now. I got mine from eBay seller morethenhundreds, (MBPN, mini bike parts now, or MBPN.com. Chrisi, is the best supplier for Euro parts for us right now, I just got some parts this week, he is in Austria, my wife has friends there, lol. He is also a Racer I believe.
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Empty Pockets Racing: The difficult we do, the impossible takes longer.....
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post #22 of 33 (permalink) Old 3 Weeks Ago
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Originally Posted by Eunos View Post
After a bit of tinkering with the starter and water pump, I was finally able to get the bike running. Thanks for all the help fellas!

The only thing I'm missing is the starter side foot bracket (impossible to find apparently) and the starter side bottom ferring. Any tips on where I might be able to source those?
I'll have the cover for the waterpump o ring on stock. And when you give me some measurements I will look if there will fit a footpeg support from a newer model.
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File Type: jpg 157428033028051588437012552404_1574280356061.jpg (486.7 KB, 4 views)
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post #23 of 33 (permalink) Old 2 Weeks Ago Thread Starter
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Re: New Here (GRC-RSR)

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Originally Posted by EPR View Post
My GRC-GP avatar bike had no body work when I got it, I put a new full body set for an MT-A2 Cag, was $ 80 then, but they are asking a lot more now. I got mine from eBay seller morethenhundreds, (MBPN, mini bike parts now, or MBPN.com. Chrisi, is the best supplier for Euro parts for us right now, I just got some parts this week, he is in Austria, my wife has friends there, lol. He is also a Racer I believe.
Yeah, I have heard the GRC-RR body works with the RSR. I might try something like that. The unfortunate part is I'm only missing a bottom starter side faring. The rest of the body, I am repairing on my own.

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Originally Posted by Chrisi View Post
I'll have the cover for the waterpump o ring on stock. And when you give me some measurements I will look if there will fit a footpeg support from a newer model.
Hey Chrisi - thanks for all the parts you have been sending me! I had the water pump pully cover and o-ring removed for the photo.

I have attached a photo of the footpeg.

A-B ~ 51mm center
B-C ~78mm center
A-C ~100mm center

Does anyone have any advice on my muffler? Looks like I'm missing the end cap. Should i look for an end-cap or a whole new muffler?

Also - anyone have a stand for sale in the US?
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File Type: jpg 20191121_144115.jpg (496.4 KB, 5 views)
File Type: jpg 20191120_180937.jpg (531.7 KB, 5 views)
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post #24 of 33 (permalink) Old 2 Weeks Ago
Re: New Here (GRC-RSR)

I would first look for a OEM body panel, its only one part. When I got my GRC GP I could have gone to Europe and bought all new body work, that's only primer, no paint. Over $700 total, more than the bike is worth, lol. A new exhaust is like $400 w/ muffler. The pipe is around 1/2" OD, there are all kinds of after market mufflers or glass pack for under $50.
RC cars & truck use a small muffler for $20 attaches w/a rubber hose to your pipe end.
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post #25 of 33 (permalink) Old 2 Weeks Ago
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Muffler is OK, looks like a older proma muffler, the endcap should be presst inside or is it completely open at the end?

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post #26 of 33 (permalink) Old 2 Weeks Ago Thread Starter
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Re: New Here (GRC-RSR)

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Muffler is OK, looks like a older proma muffler, the endcap should be presst inside or is it completely open at the end?
ill take some more photos. I think it might be completely missing, the can slides off.
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post #27 of 33 (permalink) Old 2 Weeks Ago Thread Starter
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Re: New Here (GRC-RSR)

looks like the cap is completely missing. I think i will try to make my own cap with a large washer. Probably won't seal well, but its the best idea I've got.
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post #28 of 33 (permalink) Old 2 Weeks Ago
Re: New Here (GRC-RSR)

All my euro pipes the head pipe and rear muffler is held on by springs. There are kits with springs and the U clips that get welded to the OD of the pipe for the springs to attach.
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File Type: jpg 20180703_151325.jpg (521.8 KB, 6 views)

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post #29 of 33 (permalink) Old 2 Weeks Ago Thread Starter
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Re: New Here (GRC-RSR)

New paint. Looks like its running pretty well! A little slower than I thought - ~35mph. The engine must be tired because it seems like its getting fuel fine.
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post #30 of 33 (permalink) Old 2 Weeks Ago
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Originally Posted by Eunos View Post
New paint. Looks like its running pretty well! A little slower than I thought - ~35mph. The engine must be tired because it seems like its getting fuel fine.
35mph is OK for a Polini 6.2 engine, it's also depends on the gearing.
Bad news there will not fit any newer footpegsupport and rsr footpegsupport is no more available.

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but how fast can it get up to that 35 thats what its about its not about top speed with these parking lot racers

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Re: New Here (GRC-RSR)

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Originally Posted by Eunos View Post
New paint. Looks like its running pretty well! A little slower than I thought - ~35mph. The engine must be tired because it seems like its getting fuel fine.
My Blata 2.5 did 35mph.....Not blazingly fast but it got there........Id say unless its geared abnormally high like in the 11:1-13:1 ratio range it should be hitting north of 40mph with a 6.2 case...My Polini with 4.2 case hit 40mph before mods and 8tth pinion...

Whats your squish setting?

Whats the compression number...?

When was the last time you checked the reeds?

When did you perform your last leakdown test?

What size and brand carb do you have on it..?

Pull the sparkplug and post a pic of it..Your jetting could be off too......

All these are key variables to keeping tabs on the current state of your engine to make sure its with-in specs to deliver proper performance...

Good Luck

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Last edited by CAM2; 1 Week Ago at 03:08 PM.
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i have my bike geared to go right to 35 this way it has awsome passing power 🙂

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