One set of matching crankcases from a 1977 Triumph T140 Bonneville. Engine number T140V-XP79889 and bottom stampings each show "97". All threads and machines surfaces are clean. The clutch assembly disintegrated over time and caused the discoloration that can be seen. The primary chain tensioner has been broken off and will need to be removed from the left case. There appears to be no alterations made to this set. 

Sale includes everything shown in photos

Terms & Conditions

• 14-day return policy
• Money back
• Buyer pays return shipping
• 20% restocking fee may apply
• Please contact Sun Moto Parts, Ltd. if you are not satisfied with your purchase and we will make it right. If a refund is required, it will be issued provided we receive the original item back in resalable condition.
• Items are shipped either the same or the next business day depending on when the sale is made. If you need the order expedited please contact Sun Moto Parts, Ltd. prior to purchase.
• All parts purchased from Sun Moto Parts, Ltd. should be installed by a licensed mechanic.
• Sun Moto Parts, Ltd. will not be held liable for the actions of a customer. Used parts are exactly that. If they require additional work, such as machining, it is up to the customer to determine this.
• If you are unsure of whether a part fits please ask; manufacturers use the same model name for numerous variations.

About Us

Sun Moto Parts, Ltd. is a veteran owned company whose mission is to provide easy access to new, used, and hard to find motorcycle parts. Our location in Colorado ensures our inventory comes from arid climates where rust and corrosion are just words. All parts are housed in a climate controlled facility. Contact us at (719) 646-9818 with any questions. Ride with the Sun.