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My First Whizzer- Please Help With A Couple Q's

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- the only questionable detail is the throttle's grip, which should be tapered like the compression grip, not fluted (post 1950)

Thank you for the information about the WZ507 Whizzerick. It answers one of my biggest questions.

Yes, this bike will stay original. I'll take a few things (like the re-pop front spokes) and replace them with correct parts that match the patina.

I didn't know there was more than one type of grip. I was confused why the two grips on my bike were different...I first thought that the compression grip was just broken. I want to make sure I get the right grips on there for this model.

Speaking of throttle grips...should there be a spring return? There is no spring return on my grip or carburetor.

I don't have any papers for this bike yet so I apologize for stupid questions. There is a big bike swap in Long Beach this weekend and I hope to get some things there.

Gus
 
You don't see much of the early J grip because it's not reproduced while the later one is. I've seen many bikes with 'mismatched' grips and they MAY have been original to the bike? Who knows. Personally, I would leave them as is...

2grips.jpg
 
It was just pointed out to me that since the bike number (G13095) is located on the bottom of the crank bracket, the bike must have been built January 1950.

Could this J motor be original to this bike? (J 228311)
 
No kits are 'original' to their bikes, and ALL of them are... But not like, say, serial number XXX 327 in a XXX327 Camaro. The 'J' Whizzer was (mostly) sold as a kit (some on Whizzer-built Pacemakers, etc). Hence it could be installed on ANY balloon tired bicycle, by any customer. Yours happened to be installed on a WZ507 - built by Schwinn for such purpose, - probably by a Schwinn dealer, around 1950. (There where other 'purpose built' bikes, by other companies). If a dealer had a 1948 bicycle in stock, he'd install the 1949-1950 kit on it. You could find an 'H' kit on a pre-war bike if that's what the customer had. If, in 1950, a Whizzer dealer still had older 'H' kits in stock, he'd install it on whatever bicycle he had - 1950 models. And so on...
 
If a dealer had a 1948 bicycle in stock, he'd install the 1949-1950 kit on it. You could find an 'H' kit on a pre-war bike if that's what the customer had. If, in 1950, a Whizzer dealer still had older 'H' kits in stock, he'd install it on whatever bicycle he had - 1950 models. And so on...

I think my question may not have been clear. What I meant was could this motor be the first and only motor installed on this bike by the person that originally built it? I would not expect the numbers to match since Whizzer and Schwinn are two different companies, and the concept of matching numbers wasn't even used in the auto industry until years later.

From what you explained, and from what I'm reading on line, it seams that there was little inventory control in regards to 'first-in, first-out' methodologies, and there were many possible variables depending on dealer practices and customer desires. Which I guess means that, yes it's possible that this motor is original to this bike, but we'll probably never know for sure.
 
First Model J motors, May of 1948
# go like this.
Model "J" #200,000- 230,200 Carter Single Adjustment, N655s, N666s, #2704

#230,201- 235,200 Tillotson ML5-B #2701

#235,201- 235,999 Carter Double Adjustment N703s, N704s, #2702

#236,000- 237,000 Tillotson ML5-B #2701

#237,001- UP Carter Double Adjustment N703s, N704s, #2702

This puts your motor very early.

Ray
 
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