According to there web site there is certain instances where a new engine might be covered under certain circumstances..
Following excerpt take directly from there site..
Please explain your warranty coverage.
As with any company's warranty, the warranty period starts from the date of original purchase. Strictly speaking, an item sent for warranty service must include a proof of purchase date. This eliminates any questions about the warranty period and its expiration. Unfortunately, this includes items received as gifts. If an item is purchased by another individual, hopefully you will have no problems in obtaining a receipt to validate a warranty claim, or that individual can send it to us for warranty coverage. Items that are purchased used will have no warranty, neither will an unused item sold to a second owner,
unless the original purchase date can be proved. A warranty is only to the original purchaser. A bill of sale between individuals is not considered a valid purchase receipt.
If you believe you have an item which warrants a warranty claim and you are in the U.S. (if you are outside the U.S. please contact the international distributor/dealer in your region), please see our warranty center page for instructions.
If you have any questions regarding warranty coverage, please do not hesitate to contact our warranty center, Hobby Services, at
[email protected], or 217-398-0007 (Monday-Friday 9am-5pm Central Time) or fax at 217-398-7721.