ThirtyOne3 Cycles

ThirtyOne3 Cycles Full Service Moto Shop. Frame Off Builds, Motors, General Service, and Much More! By appointment only, message to schedule

Been plugging away in the shop, here’s a super clean 89’ CR125 I’ve been working on. This one’s getting a fresh top end,...
06/08/2026

Been plugging away in the shop, here’s a super clean 89’ CR125 I’ve been working on. This one’s getting a fresh top end, chain and sprockets, and a new set of tires. Can’t wait to get it fired up! To schedule in call or text, 2039571202

CR500AF going down after some v***r blasting done by ***rhoning 😎
05/11/2026

CR500AF going down after some v***r blasting done by ***rhoning 😎

Bottom end put together for 22’ YZ250. Fresh rod, bearings and a ***rhoning job. She’s ready to bark and looks great! ...
05/01/2026

Bottom end put together for 22’ YZ250. Fresh rod, bearings and a ***rhoning job. She’s ready to bark and looks great!

2020 YZ250 brought here in a box last week. Slowly putting it back together and getting it right! Fresh bearings, suspen...
04/29/2026

2020 YZ250 brought here in a box last week. Slowly putting it back together and getting it right! Fresh bearings, suspension, top end/clutch basket, the works!

Been busy over here getting everyone rolling for spring/summer. Here’s a few things we’ve been working on. Call or text ...
04/15/2026

Been busy over here getting everyone rolling for spring/summer. Here’s a few things we’ve been working on. Call or text 2039571202 to schedule in!

23’ YZ125 getting a Fork Service and Respring. Spring is right around the corner, schedule in! (203) 957-1202
03/15/2026

23’ YZ125 getting a Fork Service and Respring. Spring is right around the corner, schedule in! (203) 957-1202

26 YZ125 for sale as well as my 02 CR125. DM for more info!
03/15/2026

26 YZ125 for sale as well as my 02 CR125. DM for more info!

Shop clean out! DM for more info -2024-2026 YZ250FHinson Clutch Cover - 4 rides on it - 120.00Clutch cover gasket - 10.0...
02/10/2026

Shop clean out! DM for more info -

2024-2026 YZ250F

Hinson Clutch Cover - 4 rides on it - 120.00
Clutch cover gasket - 10.00
Inner Clutch Cover Gasket - 10.00
ProX Clutch - used less than 5 times - 30.00
Cycra Skid Plate - 40.00

2000 - 2007 CR125/250

OEM Coil - 2000-2007 CR125 - 30.00
Wiseco Piston 54.50mm piston - 92-03 CR125 - 80.00
OEM Bottom Triple Clamps - 50 for both
2002-2003 CR125 OEM Left Side Radiator - 40.00
2005-2007 CR125 Electronics - 150.00
2003 CR125 Cylinder *Needs Plating - 110.00
89-91 CR125 Head - 50.00
OEM Front Master Cylinder 250/125/450/250F - 30.00
2005-2007 125-450 EBC 280mm Front Bracket - 40.00
95-26 125-450 MotoMaster 320mm Supermoto Rotors - 200 each
Hot Cam Stage 1 Cam, Used for 30 mins - 17-21 CRF450 - 110.00
93-97 CR125 DEP Raw Pipe - 140.00
02-04 CR125 FMF Fatty - 75.00
04-07 125-450 Swingarm - 100.00
02-03 CR125 GPI Radiators with hoses and louvers - 45.00
02-07 CR125 Front Wheel Spacers
2000-2003 CR125 FMF Ignition *needs work - 50.00
2000-2003 CR125 Stator - 100.00

Yamaha YZ125/250/250F

05-21 Pro Circuit YZ125 Works Pipe - 110.00
06-09 YZ250F/450F Triple Clamps - 75.00
99-26 YZ250 V Force Reeds - 90.00

Carbs - Keihin/Mikuni

Mikuni TMX 36 Short Body - 60.00
Keihin PJ 36mm (missing jet block and slide) - 50.00
CR85 99-07 Keihin OEM Carb - 50.00

2018-2026 RMZ250/450

19-26 RMZ250 Wiring Harness (CDI Plug busted) - 70.00
19-26 RMZ250 OEM Kicker - 50.00
18-26 450/250 Brake Pedal and Shifter - 80 for both - Brand New
18-26 450/250 Throttle Housing - 25.00

92-2007 KX125/250/500

92-04 KX500 Triple Clamps - 50.00
95-04 KX500 OEM Front Rotor - 30.00
Excel Front Rim Spoke Kit - New - 60.00

Forks

00-07 CR125 KYB 46mm Forks *need rebuild- 80.00
2003-2005 YZ250F/450 48mm KYB Forks *need reassembly - 50.00

2001-2007 RM125

01-07 Pro Circuit 296 Spark Arrestor - 75.00
01/07 OEM Rad Shrouds - 30.00
01-03 Rad Hoses - 15.00
01-08 RM250/125 Front Spoke Kit - 40.00
01-03 125 Linkage Bearings - 25.00
01-08 250/125 Rear Spokes - 30.00
01-07 RM125 V Force Reeds - 75.00
01-08 125/250 Disc Guards - 40 for both
01-07 125 Eline Pipe Guard - 50.00
01-07 125 Misc Gaskets and Seals - 40.00
Cylinder/Cases Studs and Acorn Nuts - 15.00

I’ve had many bikes over the years, but always seem to come back to the 125’s! I can’t get enough of em! What’s your fav...
02/03/2026

I’ve had many bikes over the years, but always seem to come back to the 125’s! I can’t get enough of em! What’s your favorite 125 ever made?

#125

99 KX125 came in in dire need of a fork and shock rebuild. All disassembled now waiting on some and to get it all fres...
11/26/2025

99 KX125 came in in dire need of a fork and shock rebuild. All disassembled now waiting on some and to get it all freshened up again!

Address

Bethel, CT

Telephone

+12039571202

Website

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