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Re: 32 Amal’s for a Hornet Flat Tracker [Re: NickL] #758414
12/07/18 4:49 am
12/07/18 4:49 am
Joined: Feb 2007
Posts: 2,282
Atlanta, GA USA
S
Semper Gumby Offline OP
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Semper Gumby  Offline OP
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S

Joined: Feb 2007
Posts: 2,282
Atlanta, GA USA
Originally Posted by NickL
Air filter?
Open short pipes?
In my book this means
Start around 230 MJ


Yes to these all though for RR i may go with velocity stacks.. This is what I have concluded. With the late needle jets you need the bigger MJ.
When I get the motor on I will Break in and then go to the dino to confirm.


Secretly Mediocre....
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Re: 32 Amal’s for a Hornet Flat Tracker [Re: Semper Gumby] #759944
12/21/18 12:13 am
12/21/18 12:13 am
Joined: Feb 2007
Posts: 2,282
Atlanta, GA USA
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Semper Gumby Offline OP
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Semper Gumby  Offline OP
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Joined: Feb 2007
Posts: 2,282
Atlanta, GA USA
The carbs are here and the motor is home.

The motor is a 71 Thunderbolt motor that now has 10-1 pistons and MAP rods.

Some assembly required.


Secretly Mediocre....
Re: 32 Amal’s for a Hornet Flat Tracker [Re: Semper Gumby] #761156
01/01/19 6:26 pm
01/01/19 6:26 pm
Joined: May 2013
Posts: 5,226
West Yorkshire
Allan Gill Offline

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Allan Gill  Offline

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Joined: May 2013
Posts: 5,226
West Yorkshire
Sorry if I missed it. Which carb did you opt for?


beerchug
Re: 32 Amal’s for a Hornet Flat Tracker [Re: Allan Gill] #762218
01/11/19 1:15 am
01/11/19 1:15 am
Joined: Feb 2007
Posts: 2,282
Atlanta, GA USA
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Semper Gumby Offline OP
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Joined: Feb 2007
Posts: 2,282
Atlanta, GA USA
Hi Alan,

32mm AMALs with 220 mains. Figured I'd start there.

How much Oil to put in those 67 dampening rod forks?

These are the short forks tubes from the earlier A65. I really need to have some springs made to fit the shorter distance from the top of the slider to the bottom triple tree. I'll probably hit up Bruce's Suspension here shortly..

I was thinking on using 15W40 Rotella. (Oh no its an ADOT!) Bruce was all about using multi-grade oils that don't get as thin as straight weights as they heat up.

Last edited by Semper Gumby; 01/11/19 1:24 am.

Secretly Mediocre....
Re: 32 Amal’s for a Hornet Flat Tracker [Re: Semper Gumby] #762219
01/11/19 1:23 am
01/11/19 1:23 am
Joined: Feb 2007
Posts: 2,282
Atlanta, GA USA
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Semper Gumby Offline OP
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Joined: Feb 2007
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Atlanta, GA USA
Hey one more dumb question.

How do you get the fork tubes to pull into the same spot in the top triple tree?

The axle doesn't line up exactly when I push it through between the front forks.

Is there a torque setting on the fork puller I should be using that I'm not seeing?

I can see the LH for comes up farther in the top triple tree than the RH fork.

Should I care about this? It's not off much but its not perfect.

Last edited by Semper Gumby; 01/11/19 1:24 am.

Secretly Mediocre....
Re: 32 Amal’s for a Hornet Flat Tracker [Re: Semper Gumby] #762244
01/11/19 11:41 am
01/11/19 11:41 am
Joined: May 2013
Posts: 5,226
West Yorkshire
Allan Gill Offline

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Allan Gill  Offline

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Joined: May 2013
Posts: 5,226
West Yorkshire
190mm in the front forks, rebuilding with new bushes and if theres any pits turn up some new damper rods from 5/16" "Drill Rod" and they will work really well with 20wt oil, if the bottom bronze cross shaped bush and the top bush have play then they will be lousy (be like a pogo stick and will bottom out or top out if you have too much spring pre-load. You may want a lighter oil but I find 20wt on a bumpy surface rides over pretty smoothly...



I'm guessing you are not fitting a fork brace of any kind (mudguard or bridging strap?) I would fit a strap across the 2 sliders if nothing else. It could be paint or anything stopping the slider coming up further or the bottom yoke needs spreading a bit further. but a brace between the two would help a lot.


beerchug
Re: 32 Amal’s for a Hornet Flat Tracker [Re: Allan Gill] #762303
01/11/19 9:26 pm
01/11/19 9:26 pm
Joined: Feb 2007
Posts: 2,282
Atlanta, GA USA
S
Semper Gumby Offline OP
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Semper Gumby  Offline OP
BritBike Forum member
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Joined: Feb 2007
Posts: 2,282
Atlanta, GA USA
190cc thanks Allan. Actually I have Webco fork brace for the sliders - chrome with the sticker still in the center. Couple of small holes on the side for a tie wrap to guide the brake cable.

My difficulty is getting each fork to pull up to the same height. Do I need to worry about this too much?


Secretly Mediocre....
Re: 32 Amal’s for a Hornet Flat Tracker [Re: Semper Gumby] #762368
01/12/19 2:50 pm
01/12/19 2:50 pm
Joined: May 2013
Posts: 5,226
West Yorkshire
Allan Gill Offline

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Allan Gill  Offline

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Joined: May 2013
Posts: 5,226
West Yorkshire
I wouldn’t unless it’s more than a few mm


beerchug
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