×
Pictures Posting Not Working (12 Jun 2023)
Picture uploads is again unavailable. We are working on the problem. Thanks for your patience.
Makotosun
Mystery bike
- kingjoel
-
Topic Author
- Offline
- Site Supporter
-
- Posts: 39
- Likes received: 3
Mystery bike was created by kingjoel
Hi guys, I just bought this Enduro (was told it's a 125) over the phone. What does it look like to you? By looking at the oil tank it looks almost like a 1970 175 to me.
Joel RT3 DT250A
This message has an attachment image.
Please log in or register to see it.
Please Log in or Create an account to join the conversation.
- Pedalcrazy
-
- Offline
- Platinum Member
-
- Posts: 687
- Likes received: 454
Replied by Pedalcrazy on topic Mystery bike
Nice score...a badge bike...1971 or older. Sweet!
1978 DT400E
1976 DT400C
1973 RT3
1971 RT1B
1968 DT1 (3)
1976 DT400C
1973 RT3
1971 RT1B
1968 DT1 (3)
The following user(s) Liked this Post: kingjoel
09 Oct 2020 17:24
#2
Please Log in or Create an account to join the conversation.
- MarkT
-
- Offline
- Site Supporter
-
- Posts: 14454
- Likes received: 10689
Replied by MarkT on topic Mystery bike
If you're in the US, looks like a 175 to me.
1963 YG1-T, 1965 MG1-T, Allstate 250, 1970 CT1b, 1971 R5, 1973 AT3MX, 1974 TS400L, 1975 RD350, 1976 DT175C, 1976 Husqvarna 250CR, 1981 DT175G, 1988 DT50, 1990 "Super" DT50, 1991 RT180, 2017 XT250
The following user(s) Liked this Post: kingjoel
09 Oct 2020 17:25
#3
Please Log in or Create an account to join the conversation.
- MarkT
-
- Offline
- Site Supporter
-
- Posts: 14454
- Likes received: 10689
Replied by MarkT on topic Mystery bike
Might be a 125 if generator was removed
1963 YG1-T, 1965 MG1-T, Allstate 250, 1970 CT1b, 1971 R5, 1973 AT3MX, 1974 TS400L, 1975 RD350, 1976 DT175C, 1976 Husqvarna 250CR, 1981 DT175G, 1988 DT50, 1990 "Super" DT50, 1991 RT180, 2017 XT250
09 Oct 2020 17:28
#4
Please Log in or Create an account to join the conversation.
- Pedalcrazy
-
- Offline
- Platinum Member
-
- Posts: 687
- Likes received: 454
Replied by Pedalcrazy on topic Mystery bike
It's possible you have a 1970 CT175....at least it that is the original oil tank. Be sure and research that VIN when you get it.
1978 DT400E
1976 DT400C
1973 RT3
1971 RT1B
1968 DT1 (3)
1976 DT400C
1973 RT3
1971 RT1B
1968 DT1 (3)
The following user(s) Liked this Post: kingjoel
09 Oct 2020 17:38
#5
Please Log in or Create an account to join the conversation.
- Enduronut
-
- Offline
- Founder Moderator
-
- Posts: 851
- Likes received: 1223
Replied by Enduronut on topic Mystery bike
.
Some other quick things to look for . . .
~ The 175 had a tach redline of 8,000 . . . the 125 redline started at 8,500
~ Lower left "base" of cylinder will have the cc's cast into it . . . but I can already tell from the cylinder head fins, oil tank, magneto, and the front fender mounting stays, that it's a CT1 / 175
~ Serial number with prefix 248 would be a 125, and the 251 prefix indicates a 175
~ Stock rim and tire sizes are bigger on the 175, (but tires wear out and often changed to something different then stock sizes)
A. The 125 front rim is 1.40 x18 with a 3.00 x 18 tire ... rear is 1.60 x 18 rim and 3.25 x 18 tire
B. The 175 front rim is 1.60 x18 with a 3.25 x 18 tire ... rear is 1.85 x 18 rim and 3.50 x 18 tire
~ AT1 headlight is a smaller diameter with YHA-111 stamped into lower right of bucket . . . CT1 will have a YHA-107 stamping
Congratulations, on your larger then advertised .... CT1 model .... Fun bike!
Some other quick things to look for . . .
~ The 175 had a tach redline of 8,000 . . . the 125 redline started at 8,500
~ Lower left "base" of cylinder will have the cc's cast into it . . . but I can already tell from the cylinder head fins, oil tank, magneto, and the front fender mounting stays, that it's a CT1 / 175
~ Serial number with prefix 248 would be a 125, and the 251 prefix indicates a 175
~ Stock rim and tire sizes are bigger on the 175, (but tires wear out and often changed to something different then stock sizes)
A. The 125 front rim is 1.40 x18 with a 3.00 x 18 tire ... rear is 1.60 x 18 rim and 3.25 x 18 tire
B. The 175 front rim is 1.60 x18 with a 3.25 x 18 tire ... rear is 1.85 x 18 rim and 3.50 x 18 tire
~ AT1 headlight is a smaller diameter with YHA-111 stamped into lower right of bucket . . . CT1 will have a YHA-107 stamping
Congratulations, on your larger then advertised .... CT1 model .... Fun bike!

Control your thoughts . . . or your thoughts will control you!.!
Don't aim . . . and you'll hit your target every time!
A wise man knows . . . he isn't!
Failure squared . . . equals success!
Don't aim . . . and you'll hit your target every time!
A wise man knows . . . he isn't!
Failure squared . . . equals success!
The following user(s) Liked this Post: Devin, Rick C., t-bone, kingjoel
Please Log in or Create an account to join the conversation.
- kingjoel
-
Topic Author
- Offline
- Site Supporter
-
- Posts: 39
- Likes received: 3
Replied by kingjoel on topic Mystery bike
Thank you sir! You helped me with an O-ring on my RT3 last year in Walmart parking lot. It's going strong and getting looks. This little CT1b (I picked up today) is more complete than I expected. A dog food sack of parts came with it.
Joel RT3 DT250A
The following user(s) Liked this Post: Enduronut, Rick C.
10 Oct 2020 18:42
#7
Please Log in or Create an account to join the conversation.
Moderators: yamadmin, Makotosun, DEET, Vinnie, James Hart