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Messages - bobr

#1
Penton Talk / Jackpiner questions
June 12, 2021, 03:52:46 PM
Quotequote:Originally posted by Daniel P. McEntee

Well, I guess people that can positively answer are all busy. Some are out riding and racing, tis that time of year! All internet forums get slow from time to time. I can't tell you for sure what shocks a Jackpiner came with in 1974 because they probably came with several different brands depending on what was available at the time. You might want to try the search function and see what has been discussed in the past. As far as the front sprocket being a 530, that could also be explained the same way, or has been changed previously. It was a common practice back then to run 530 chain but use the thinner 520 sprockets if you ran in mud a lot to help keep the chain clear. A search of the archives will help you out there also. Give it some time and I'm sure there will be some other follow up.
  Type at you later,
   Dan McEntee
Thanks!
#2
Penton Talk / Jackpiner questions
June 12, 2021, 03:52:07 PM
Quotequote:Originally posted by LeeBuff

The left side air box covers that came from the factory were aluminum.
The right side exhaust covers were fiberglass from 1974 up.

Hope this helps, Lee


Thanks!!!
#3
Penton Talk / Jackpiner questions
June 11, 2021, 05:48:41 PM
Does anyone know if the side panels are supposed to be aluminum or plastic? The left panel is aluminum attached to a fiberglass airbox.
#4
Penton Talk / Jackpiner questions
June 11, 2021, 05:46:23 PM
The frame does have several mounting points for the rear shocks.
#5
Penton Talk / Jackpiner questions
June 09, 2021, 08:29:51 AM
45 reads and not one of my questions were answered.

What gives? :(
#6
Penton Talk / Jackpiner questions
June 08, 2021, 09:50:52 AM
Howdy.

I was in here a few years back but couldn't for the life of me remember my log-in. 58 years old....

I own a 1974 Jackpiner 175. I've had it on display for eight years. I got bored and figured I would check to see if it actually had spark. Well, it does!

I gave the Bing a proper cleaning, and viloa, it's running!

It was previously restored to about 70%. I'm sorting it out now.

1. What are the rear shocks stock from the factory? It had one Koni mounted. I have a set of period-correct Marzocchi on it now.

2. The front sprocket looks huge, is it a 530 stock?

Thanks in advance. ;)