Yamaha Raptor 700R 105.5mm Big Bore Cylinder Kit 11:1 Wiseco 734 Top End Rebuild For Sale

The Best Parts • The Best Performance • The Best PriceYamaha Raptor 700R 105.5mm Big Bore Cylinder Kit 11:1 Wiseco 734 Top End Rebuild

BPRATV Yamaha Raptor 700 big bore kit includes a 105.5mm cylinder, Wiseco forged piston, Cometic MLS gaskets, cam chain and titanium head studs.

Yamaha Raptor 700R 105.5mm Big Bore Cylinder Kit Wiseco 11.5:1 Top End Rebuild📖 Product Description

Transform your Yamaha Raptor 700 / YFM700R with this complete BPRATV 105.5mm Big Bore Top End Rebuild Kit. Built for riders demanding increased displacement, stronger performance, and dependable engine sealing, this package combines a BPRATV 105.5mm Nikasil cylinder with a custom Wiseco 11.5:1 forged piston, Cometic big bore gasket components, heavy-duty cam chain, and upgraded Talon titanium cylinder head studs.

The matched 105.5mm big bore cylinder and forged piston combination provides a substantial performance-oriented upgrade over the stock bore while the Cometic MLS big bore head gasket, Viton valve stem seals, heavy-duty cam chain, and upgraded cylinder head studs help support a properly assembled high-compression build. This kit is an excellent choice for Raptor 700 top-end rebuilds, performance builds, and closed-course racing applications.

The kit also fits select Yamaha Grizzly 700, Kodiak 700, Viking 700, and Rhino 700 applications listed below, making it a versatile performance package for Yamaha\'s 700-class single-cylinder engine platform. Actual compression may vary depending on vehicle, cylinder head, gasket configuration, and engine setup.

🔥 Key Features & Benefits

• 105.5mm Big Bore Upgrade: BPRATV Nikasil-plated cylinder provides increased bore size for a performance-focused Yamaha 700 engine build.
• Custom Wiseco Forged Piston: 105.5mm forged piston engineered for strength, durability, and demanding high-performance use.
• 11.5:1 Compression: Performance-oriented piston configuration designed to increase compression; actual compression may vary depending on make, model, cylinder head, gasket configuration, and engine setup.
• Nitrite-Coated Piston Rings: Included matched ring set provides the critical sealing components required for the piston assembly.
• Chrome Wrist Pin & Circlips: Complete piston installation hardware is supplied with the Wiseco piston package.
• Cometic Big Bore Gaskets: Complete top-end gasket kit features an MLS big bore head gasket engineered for the oversized cylinder configuration.
• Viton Valve Stem Seals: Performance sealing components are included for top-end servicing during the rebuild.
• BPRATV Heavy Duty Cam Chain: Upgraded cam chain provides a fresh timing-chain component for your performance top-end rebuild.
• Talon Titanium Cylinder Head Stud Kit: Upgraded BPRATV head studs are included to support high-compression engine builds.
• Complete Performance Package: Cylinder, forged piston assembly, gasket kit, valve seals, cam chain, and upgraded head studs are combined into one comprehensive top-end kit.

📦 Product Contents

• 1x BPRATV 105.5mm Big Bore Nikasil Cylinder with 1-year limited warranty for material or workmanship defects*
• 1x BPRATV Custom Wiseco 105.5mm 11.5:1 Compression Forged Piston
• 1x Matched Nitrite-Coated Piston Ring Set
• 1x Chrome Wrist Pin
• 2x Piston Circlips
• 1x Cometic Complete Top End Gasket Kit
• 1x Cometic Big Bore MLS Cylinder Head Gasket
• Viton Valve Stem Seals
• 1x BPRATV Heavy Duty Cam Chain
• 1x BPRATV Talon Titanium Cylinder Head Stud Kit

✅ Compatibility

Primary Fitment: Yamaha Raptor 700 / YFM700 / YFM700R

• Yamaha Raptor 700 / YFM700 / YFM700R: 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025
• Yamaha Viking 700: 2014 2015 / 2018 2019 2020 2021 2022 2023 2024
• Yamaha Kodiak 700: 2019 2020 2021 2022 2023 2024
• Yamaha Grizzly 700: 2007 2008 2009 2010 2011 2012 2013 2014 / 2019 2020 2021 2022 2023 2024
• Yamaha Rhino 700: 2008 2009 2011 2012 2013

❓ Frequently Asked Questions

• Q: What bore size is included with this Yamaha Raptor 700 kit?

  A: This kit includes a 105.5mm BPRATV Nikasil big bore cylinder matched with a custom 105.5mm Wiseco forged piston.

• Q: What compression ratio is the Wiseco piston?

  A: The included custom Wiseco piston is specified at 11.5:1 compression. Actual compression may vary depending on make, model, cylinder head, gasket configuration, and overall engine setup.

• Q: Does this kit include the cylinder and piston?

  A: Yes. It includes the BPRATV 105.5mm Nikasil cylinder and custom Wiseco 105.5mm forged piston along with rings, wrist pin, and circlips.

• Q: Does this include the gaskets needed for a top-end rebuild?

  A: Yes. A Cometic top-end gasket kit with a big bore MLS cylinder head gasket is included, along with Viton valve stem seals.

• Q: Does the kit include an upgraded cam chain?

  A: Yes. A BPRATV Heavy Duty Cam Chain is included as part of this performance top-end package.

• Q: Are upgraded cylinder head studs included?

  A: Yes. The kit includes a BPRATV Talon Titanium Cylinder Head Stud Kit. An upgraded BPRATV or Kibblewhite stud kit is required for high-compression builds, and this package already includes the BPRATV upgrade.

• Q: Will this kit fit models other than the Raptor 700?

  A: Yes. The kit also fits the listed model years of the Yamaha Viking 700, Kodiak 700, Grizzly 700, and Rhino 700.

🌟 Why Buy from BPRATV? Trusted Performance Experts 🌟

At BPRATV, our promise is unwavering: The Best Parts. The Best Performance. The Best Price. We specialize in premium ATV and motocross engine components trusted by riders and builders nationwide. Our kits combine industry leading brands when applicable to deliver reliability and performance you can trust. Trust BPRATV to keep your Yamaha Raptor 700R running at its best, every single time.

Build your Raptor 700 with a 105.5mm big bore, Wiseco forged piston, Cometic gaskets, HD cam chain, and titanium head studs -- order your complete BPRATV top end kit today!

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© BPRATV LLC 1-year limited warranty from the manufacturer for material or workmanship defects.* Due to the nature of high performance and racing applications, BPRATV LLC components are sold without express warranty or any implied warranty of merchantability or fitness for a specific purpose. BPRATV LLC shall not, under any circumstances, be liable for any specific, incidental or consequential damages, including, but not limited to, damage, or loss of property or equipment, loss of profits or revenue(s), cost of purchased or replacement goods, or claims of customers of the purpose, which may arise and/or shall result from sale, installation or use of these parts. Installation of these parts may void vehicle manufacturers warranty coverage and/or may cause the vehicle to be illegal in some locations. This product is exempt from the emission standards and related requirements of 40 C.F.R. § 1051 as provided by 40 C.F.R. § 1051.620, and California law [e.g., vehicle code§§ 27156 and 38391]. This product is sold only for use in connection with EPA -certified, purpose-built, nonroad vehicles used solely for closed course, nonroad competition/racing and not used for any recreational purpose or on public highways or right of ways maintained by and open to the public.

Photos Are For Example Only Images show product quality, components, and visual reference. Exact parts, brands, finishes, quantities, or packaging may vary by kit. Please read the full product description for exact details before purchasing.Complete Your Build

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Notice Regarding Photos: Product photos used in our listings are for example only to show item quality, components, and visual reference. You will receive the correct quantity, size, and fitment for the specific kit listed. Exact brands, finishes, packaging, or small components may vary when equivalent-quality parts are used. Please read the full product description for exact details before purchasing.

Bearing Notice: In some cases, you may receive sealed bearings. If your application requires an open bearing, the seals can be removed when appropriate for the application.

Emissions & Race Use Only: Some products may be exempt from emission standards and requirements under 40 C.F.R. § 1051.620 and/or applicable California law. Certain parts are sold only for use with EPA-certified, purpose-built, nonroad vehicles used solely for closed-course, nonroad competition/racing. Installation may void the vehicle manufacturer\'s warranty and/or may be illegal in some locations. Buyer is responsible for confirming legal use in their application and location.

Warranty & Liability: Due to the nature of high-performance and racing applications, components may be sold without express or implied warranty of merchantability or fitness for a specific purpose except where specifically stated. BPRATV LLC shall not be liable for special, incidental, or consequential damages including loss of property, equipment, profits, or revenue resulting from sale, installation, or use of these parts. High-performance parts are not DIY items; work should be performed by a qualified, experienced mechanic.

Returns: Returns are accepted within 30 days for eligible items that are 100% complete, brand new, unused, uninstalled, and in original packaging. Items that have been installed, prepped, lubricated, sealed, modified, or used are not eligible. For warranty consideration, parts must be sent back for physical inspection. We do not warranty based on photos, emails, or third-party assessments.

Specialty Warranties: Certain specialty items, such as Cub cylinders or titanium fasteners, may have separate warranty terms. Any warranty does not cover improper tuning, installation, maintenance, or misuse.

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