Product images and videos are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Exterior Components› Body Panels and Components
Cometic Gasket
Cometic 78-81 Yamaha GP Complete Seal Set
SKU: C006 C4002S
Easy — 1–2 hours
Overview
Featuring precision-engineered components, this set ensures a proper fit and reliable sealing for your Yamaha GP engine.
Show original supplier description
Part #: C4002S
Cometic utlizes their in-house dynamometersand engine assembly rooms to ensure quality and reliability
Vehicle Symptoms
- Oil leaking from engine seams
- Loss of engine compression
- Engine overheating due to coolant leaks
- Rough idle or misfiring
- Excessive smoke from exhaust
Relevant Conversations
- 1978 Yamaha GP engine rebuild gasket set
- Yamaha GP 440 top end gasket kit
- Cometic C4002S seal set review
- Yamaha GP snowmobile oil leak fix
- Engine seal replacement Yamaha GP 1980
- Best gasket set for Yamaha GP snowmobile
- Yamaha GP engine rebuild parts list
- Yamaha GP compression loss repair
- Cometic gasket vs OEM Yamaha GP
- Yamaha GP 1979 engine seal kit
Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Cometic Gasket |
| Part Number | C006 C4002S |
Videos
About MOTORMIA
Buy with Confidence
Returns & Fitment
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
View Full Return PolicyShipping
Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.
Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.
View Full Shipping Policy