Wiseco Piston Kit 102mm ArmorGlide 11:1 - Yamaha Raptor 700 / Grizzly 700

Premium Forged Piston for Yamaha 700s

Wiseco forged piston kit with ArmorGlide skirt coating for Raptor 700, Grizzly 700, and Rhino 700. Stock 102mm bore with 11:1 compression for better power on pump gas.

Why Wiseco Pistons

✓ Forged aluminum – stronger than cast OEM
✓ ArmorGlide coating – less friction, faster break-in
✓ 11:1 compression – more power on 91+ octane
✓ Lighter than stock – better throttle response
✓ Diamond turned finish – perfect bore fit
✓ Made in USA – Wiseco quality since 1941

What's Included

- Wiseco forged piston (102mm)
- Piston rings (pre-gapped)
- Wrist pin
- Circlips

Does It Fit?

✅ **Yamaha Raptor 700** (2006-2014)
   • YFM700R Raptor (2006-2014)
   • YFM700 Raptor (2013-2014)
   • YFM700RSE Raptor SE (2007-2014)
   • YFM700RY Raptor GYTR Edition (2007)

✅ **Yamaha Grizzly 700** (2007-2013)
   • YFM700G Grizzly Fi 4WD [IRS] (2007-2013)
   • YFM700F Grizzly Fi 4WD EPS [IRS] (2007-2013)
   • YFM700F Grizzly Fi 4WD EPS SE [IRS] (2008-2013)

✅ **Yamaha Rhino 700** (2008-2009)
   • YXR700F Rhino 700

Quick Specs

Part #: 4903M10200 / 4903PS
Bore: 102.00mm (stock size)
Compression: 11:1
Coating: ArmorGlide skirt
Material: Forged high-silicon aluminum
Weight: 1.40 lbs (lighter than OEM cast)

ArmorGlide Technology

🛡️ **What is ArmorGlide?**
Advanced skirt coating that:
- Reduces friction during break-in
- Prevents scuffing and scoring
- Extends piston life
- Allows tighter tolerances
- Quieter operation

11:1 Compression – What Does It Mean?

**Power:** More low-end torque and throttle response
**Fuel:** Requires 91+ octane pump gas (no race fuel needed)
**Perfect for:** Trail riding, dunes, performance street use

Wiseco Forged vs. Cast OEM

**Forged (Wiseco):**
- 2x stronger than cast
- Lighter weight
- Better heat dissipation
- Handles higher compression
- Lasts longer

**Cast (OEM):**
- Heavier
- Less durable under stress
- Budget option

When You Need This Piston

Replace if you have:
- Worn cylinder bore
- Piston slap or noise
- Loss of compression
- Scored piston/cylinder
- High mileage rebuild
- Performance upgrade

Installation Notes

⚙️ Difficulty: Intermediate to Advanced
🔧 Measure ring gap before installing
🔧 Check piston-to-wall clearance
🔧 Use proper break-in procedure
👨🔧 Pro install recommended

Break-In Procedure

1. First tank: 32:1 oil ratio, vary RPM
2. Avoid full throttle for 2-3 hours
3. Check oil after first ride
4. Let engine cool completely between rides

What You'll Also Need

⚠️ Not included:
- Top end gasket kit (required)
- Cylinder honing (if cylinder is worn)
- Wrist pin bearing
- Engine assembly lube

Pairs With

- Cometic top end gasket kit
- Cylinder honing service
- Hot Rods wrist pin bearing
- Engine assembly lube

Warranty

🛡️ Wiseco factory warranty
🔄 No returns on installed pistons

Questions?

📞 541-668-7503
📧 Support@dunegoonshop.info

Ships same day before 3pm EST ⚡
10 in stock - Ready to ship!