Mine is 243737 1/71...
Does that mean 30k+ bikes were produced in 6 months?!
I have a 1976 ct 70
Frame 2500188
Engine 2500017
Is that original or supposed to match
1978 Z50A: Z50A-6315294 with Z50AE-63115293 engine.
1969 Z50A: Z50A with CT70E-165484 engine.
Also have:
1974 K5 Z50AE-5002946 engine block w/studs and oil pump.
1970-71 K2, Z50AE-431165 complete engine less stator cover. Last engine era of hardtails.
I went by Mr Polson's book Honda Mini Trail Enthusiasts Guide1970-71 K2, Z50AE-431165 complete engine less stator cover. Last engine era of hardtails
I think this motor is from a K3.
If it has the manual cam chain adjuster...it's not from a hardtail.
Yes.Are you sure he says ENGINE numbers...or vin numbers. I'd be surprised if he says engine numbers.
If it has a manual cam chain adjuster...it's not a hardtail engine.
See @airblazer 's post #68 above. I can't speak of CT's, with authority but with Z50A's, engines/frames can be different and still original.Is CT70-117699 and CT70E-117234 considered matching?
Built 9/69
Thank you for chiming in and discussing! For sure this forum and the people in it are an awesome resource. Accuracy is as important to me as you.I don't want to clog up this fine thread too much with a(nother) debate about matching engine numbers...but I will say that the books are wrong. I'm surprised that Polson didn't point it out in HIS book.
Ok...Polson DID mention it in his book...at least once. He's contradicting himself actually.
View attachment 73452
I'm not too well versed in early Softail engine numbers, but I don't think they starting using 7digit engine numbers until maybe the K5s.
Again...hardtail engines do NOT have manual cam chain adjusters.
When it comes to purist "correctness" of these bikes, matching numbers..."correct" parts, etc. We, here at lilHonda, ARE the judges and juries. We ARE the audience, AND the harshest critics. We ARE the collectors and the enthusiasts, and the folks who try, very hard, to KNOW what's right and wrong. We are often, the BEST place to find information that is correct and up to date.
Sometimes, the books are just wrong.
The very best proof that I can offer...
The books show CT70 HK1 engine numbers being 7 digits...but there are NO 7digit H engines...none.