In warehouse stock

Hot Rods Crankshaft Assembly — Stroker — Yamaha

Hot Rods · #0921-0039 · Bottom End / Engine

Factory assembled and trued to OEM specifications
Drop in replacement crankshaft requires no modification unless noted
CNC machined and dynamically balanced to suit the increased stroke
Add +2.00 mm to +4.00 mm of stroke depending on application
Uses stock piston unless noted

$592.95

In stock. Ships in 2–4 business days · free shipping over $150.

Questions? Call the shop: 801-361-3010

Real shop · real humans · 1231 N 1300 W Ste A, Centerville, UT 84014

Description & features8 features

Connecting rod side clearance is 0.25 mm - 0.45 mm.

+3.00 mm stroke increase makes 264 cc.

Uses stock piston.

Bolt in and go.

When using Cylinder Works big bore cylinder kit it will make 285 cc.

Factory assembled and trued to OEM specifications
Drop in replacement crankshaft requires no modification unless noted
CNC machined and dynamically balanced to suit the increased stroke
Add +2.00 mm to +4.00 mm of stroke depending on application
Uses stock piston unless noted
Main bearings not included
Can be matched with Cylinder Works Big Bore cylinders to get significant displacement and horsepower gains
Not re-buildable as the rods are shorter than OEM.

Specifications12 specs

Riding Style: Off-Road
Stroke Length: 56,60 mm, 56.60 mm
Type: Stroker
Units: Assembly
Color/Finish: Steel
Material: 4140 Steel
Features: Standard Crankshaft
Displacement: 264 cc
Model: 4-Cycle
Shipping weight: 6.88 lb
Package size: 11.4 × 8.5 × 6.8 in
Country of origin: Taiwan

Fitment1 models · Yamaha

Yamaha1 models

YZ250F2003–2013

Fitment comes from the distributor’s catalog. Double-check your year, model and trim before you order — or call the counter at 801-361-3010 and we’ll check it with you.

Part numbersOEM cross-reference

Salto part #: 0921-0039
Hot Rods part #: 4149
Replaces OEM #: 5UL-11400-00-00, 5XC-11400-00-00, 5XC-11400-10-00, 5XC-11400-20-00, 5XC-11400-21-00

Shipping

In stock at a distributor warehouse. Ships in 2–4 business days by ground.

Ground shipping is $14.95, free on orders over $150. Stock is re-checked with the warehouse before your card is charged.

Questions4 answers

Is it in stock?: Yes — the distributor shows it on a shelf at a regional warehouse right now. We check again the moment you order, before anything is charged.
How fast will it get to me?: Usually 2–4 business days by ground.
Will it fit my machine?: The distributor lists it for the models in the Fitment section above. Not sure about your trim or year? Call the counter at 801-361-3010 and we’ll check it with you.
Is this genuine Hot Rods?: Yes. It ships new from the same distributors the big online stores buy from — Hot Rods part #4149.