Is this silicone-based

Yes...if you look for Threebond products you'll find similar sealers and better information (Synthetic rubber/RTV/Silicone based) , Threebond 1104 is grey in color Like Yamabond 3 and has a 150deg. Celsius max temp, Threebond 1215 is also grey in color and has 250deg Celcius max temp...I believe Threebond makes the Yamabond 3 , it just gets private labeled...I use Yamabond 3/Threebond 1215 on all my engine cases since the 70s, works great...the Threebond brand may have a cost savings when compared to yamabond 3...both are kinda gooey to work, a Popsicle stick may help you spread it on mating surfaces prior to assembly...a little goes a long way...hth

Can I use on crank case on dirt bike.

I used the product on my Yamaha golf cart engine. It is for sealing a split case engine. Have not had any leakage. thx, John

Will this seal a split case of a 2000 Yamaha Roadstar 1600cc engine? full of power and heat.

Yes and I think it's the best sealant there is! I use it on air cooled split case vw's and it works awesome!

Can this be used on valve cover gaskets to help seal ?

yamabond is normally used in a metal to metal sealing application....like between sealing two engine cases together ( typical in motorsport applications)...for valve covers on American cars...I suggest Permatex "The Right Stuff" P/N 85224 ( about $22)...Amazon has it listed...most factory OEMs use this Permatex product for their valve cover sealing on V-8 and V-6 engines...hth

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Yamaha Original OEM Yamalube Yamabond 4 Silicone Based Liquid Gasket Yamaha Part# Acc-YAMAB-ON-D4 - (1) 2.5 oz Tube

Yamaha Original OEM Yamalube Yamabond 4 Silicone Based Liquid Gasket Yamaha Part# Acc-YAMAB-ON-D4 - (1) 2.5 oz Tube

Product ID: 13671964

Details

Brand
YAMAHA
Item Weight
3 ounces
Item dimensions L x W x H
17 x 8 x 9
Material
Silicone
Style
Compact

🔥High-temp resistant gasket

⏱️Cures in 60 minutes

🛠️OEM precision for Yamaha engines

¥7719

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Description

🔥 Seal it fast, seal it right – Yamaha’s trusted gasket power! 🛠️

FAST SET SEALANT - Sets in just 60 minutes for rapid repairs and minimal downtime.
YAMAHA OEM ASSURANCE - Specifically engineered by Yamaha for perfect compatibility and peak performance.
COMPACT READY TO USE - 2.5 oz tube delivers precise application with no mess, ideal for professional-grade maintenance.
ENGINE GRADE PROTECTION - Resists gear and engine oils to maintain a leak-proof seal under pressure.
HEAT DEFYING DURABILITY - Silicone-based formula withstands extreme engine temperatures without breaking down.

Yamaha’s Original OEM Yamalube Yamabond 4 is a premium silicone-based liquid gasket designed to cure in 60 minutes, forming a durable, rubber-like seal that resists high temperatures and engine oils. Engineered specifically for Yamaha motorsports and powersports applications, this 2.5 oz tube ensures professional-grade sealing performance and reliability.

Specifications

ASIN	B00545V1ZE
Best Sellers Rank	#25,811 in Automotive ( See Top 100 in Automotive ) #5 in Powersports Engine Gaskets
Brand	YAMAHA
Brand Name	YAMAHA
Compatible Material	Rubber
Customer Reviews	4.8 out of 5 stars 1,070 Reviews
Item Dimensions	17 x 8 x 9 inches
Item Form	Liquid
Item Weight	3 ounces
Item dimensions L x W x H	17 x 8 x 9 inches
Manufacturer	Yamaha
Material	Silicone
Material Type	Silicone
Model	13
Number of Items	1
Number of Packs	1
Part Number	ACC-BOND4-MC-00
Style	Compact
Style Name	Compact
Surface Recommendation	Metal
UPC	718721184366
Unit Count	3 Fluid Ounces
Water Resistance Level	Water Resistant

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¥7719

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

Secure transaction

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