EPRs GRC GP BZM Power - Pocket Bike Forum - Mini Bikes
 
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post #1 of 10 (permalink) Old 06-09-2018 Thread Starter
EPRs GRC GP BZM Power

The BZM rebuild is in and almost ready. Had a lot of small problems cause that engine has never been in this frame before. Had to find a throttle cable with enough free cable to hook to the Dell 'Orto 15mm PHBG carb, fuel lines and filter, and getting the exhaust hooked up.and working. Need to bolt down the seat and a few more small things and it should be ready.

Photos to come shortly.
Attached Images
File Type: jpg 100_0759.JPG (489.4 KB, 16 views)
File Type: jpg 100_0761.JPG (469.3 KB, 15 views)
File Type: jpg 100_0760.JPG (343.1 KB, 15 views)

Empty Pockets Racing: The difficult we do, the impossible takes longer.....

Last edited by EPR; 06-09-2018 at 05:36 PM.
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post #2 of 10 (permalink) Old 06-09-2018
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Re: EPRs GRC GP BZM Power

Quote:
Originally Posted by EPR View Post
The BZM rebuild is in and almost ready. Had a lot of small problems cause that engine has never been in this frame before. Had to find a throttle cable with enough free cable to hook to the Dell 'Orto 15mm PHBG carb, fuel lines and filter, and getting the exhaust hooked up.and working. Need to bolt down the seat and a few more small things and it should be ready.

Photos to come shortly.

Looking pretty sweet EPR.............

Thats one of the crazy differences between the chinese stuff and the Euro stuff...Alot of the euro stuff is super custom tailored to its specific model....

Its like when I put the 2005 5.3 LS engine with Turbo in the 72 Nova that had a 307.....

The crossmember had to be cut and boxed-in lower and the trans tunnel had to be totally cut out and the firewall clearanced enough for it all to fit.....

It wasnt easy but well worth it in the end result.........

You've got the brunt of it whipped....Now its all downhill....

Good to see you making progress EPR....Keep up the Good job..

Cut
Up
Stuff
To
Obtain
Masterpiece

Last edited by CAM2; 06-09-2018 at 07:19 PM.
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post #3 of 10 (permalink) Old 06-11-2018 Thread Starter
Re: EPRs GRC GP BZM Power

Bummer, the top of the old gas tank broke into pieces as I was installing the tank/seat cover, see photos. I have 3 new A2 tanks here, but as you can see the old one is not as tall, because it came with a Fatty Pipe and had a tunnel under the tank to clear belly. Can't find a new one anywhere.
Going to have to see if I can fit the new taller one, that old one is really brittle, it just falls apart now. Some of the great plastic compounds they make in China, lol, I was shocked at first, lol.
PS: Those socket head bolts to the right of the broken tank are Titanium.
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File Type: jpg 100_0763.JPG (494.7 KB, 13 views)

Empty Pockets Racing: The difficult we do, the impossible takes longer.....

Last edited by EPR; 06-11-2018 at 05:23 PM.
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post #4 of 10 (permalink) Old 06-13-2018 Thread Starter
Re: EPRs GRC GP BZM Power

Ok, to get the taller tank mounted, had to rap the exhaust belly with pipe heat wrap & SS ties cause the tank sits on it. Had to raise the seat level also to get the tank/seat cover to fit right.
Also posting a photo of the right side of the bike.
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File Type: jpg 100_0765.JPG (464.8 KB, 9 views)

Empty Pockets Racing: The difficult we do, the impossible takes longer.....

Last edited by EPR; 06-13-2018 at 04:47 PM.
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post #5 of 10 (permalink) Old 06-14-2018
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Re: EPRs GRC GP BZM Power

That sucks once they start turning yellow they are getting ready to expire I had one fail well I was ridding befor

Nice job on the bike that engine is way over powered ( I see this as a good thing )

Faster then a speeding E Revo
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post #6 of 10 (permalink) Old 06-14-2018 Thread Starter
Re: EPRs GRC GP BZM Power

Rebuilding the engine was easy, putting it all together has been trying at times, lol. This engine has the 15:1 compression cap. I have another cyld / head unit with Gold racing cap w/ 17:1 which would need 105 octane gas, so i chose the 15:1 for now.

Empty Pockets Racing: The difficult we do, the impossible takes longer.....
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post #7 of 10 (permalink) Old 07-01-2018 Thread Starter
Re: EPRs GRC GP BZM Power

Finally got the billet throttle the right cable working and the tank changed and gas lines and shut off valve. I missed getting gas w/o alcohol in California now, might have to buy 94 octane chainsaw gas, at least in my Polini and BZM engines. Also have to cut a hole in the bottom of the fairing to clear the water pump. Radiator fluid and gas is all I need now. Going to add photos now.
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File Type: jpg 100_0772.JPG (462.2 KB, 11 views)
File Type: jpg 100_0768.JPG (482.2 KB, 12 views)
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Empty Pockets Racing: The difficult we do, the impossible takes longer.....

Last edited by EPR; 07-01-2018 at 07:07 PM.
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post #8 of 10 (permalink) Old 07-03-2018
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Re: EPRs GRC GP BZM Power

Quote:
Originally Posted by EPR View Post
Finally got the billet throttle the right cable working and the tank changed and gas lines and shut off valve. I missed getting gas w/o alcohol in California now, might have to buy 94 octane chainsaw gas, at least in my Polini and BZM engines. Also have to cut a hole in the bottom of the fairing to clear the water pump. Radiator fluid and gas is all I need now. Going to add photos now.
Nice bike! I love the way how they hook up the waterpump. Looks awesome!

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post #9 of 10 (permalink) Old 07-03-2018 Thread Starter
Re: EPRs GRC GP BZM Power

I am the one that mounted the water pump there, cause the frame is so narrow and the exhaust was in the way up front too like shown in the 910 Polini shown. The GRCs I got are rollers, so I had to make everything fit and work. Kind of like your transmission project, never know if it will work until you try it.

Empty Pockets Racing: The difficult we do, the impossible takes longer.....
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Re: EPRs GRC GP BZM Power

Yeah, and it sometimes takes allot of effort unfortunatly.. the difficult stuff takes long and the imposible takes even longer as you say hehe
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Originally Posted by EPR View Post
I am the one that mounted the water pump there, cause the frame is so narrow and the exhaust was in the way up front too like shown in the 910 Polini shown. The GRCs I got are rollers, so I had to make everything fit and work. Kind of like your transmission project, never know if it will work until you try it.
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